4
® ® Ambient Cure
®
®
Ambient Cure
PRODUCT C
ODE
DESCRIP
TION
ACTIVE O
XYGEN
CONTE
NT
% % °C °C Ambient Elevated High
PERO
XIDE C
ONTENT
SAFE
TY D
ATA
APPLIC
ATION TE
MPE
RATU
RE
SADT
Reco
mmende
d max
. stor
age t
emp.
Hand L
ay-up
/Spra
y-up
Castin
g/W
inding
Polym
er Con
crete
& Mar
ble, B
utton
s
Gelcoa
ts
Body
Fille
rs
Chemica
l Anc
hors
& Mine
bolts
RTM
, vac
uum in
fusion
Culture
d Mar
ble
RTM
Cured I
n Plac
e Pipe
s (CIPP
)
Engin
eered
Ston
e
Closed
Mold
ing
Contin
uous
Lamina
ting
Pultru
sion
SMC, B
MC, G
MC, T
MC
Vinyles
ters
Acrylic
s
Ketone Peroxides
Hydroperoxides
Dialkyl Peroxides
Peresters
Peroxydicarbonates
Perketals
Dialkyl Peroxides
Methyl Ethyl Ketone Peroxides
Acetylacetone peroxides
Others
Methyl Isobutyl ketone peroxides
Dicumyl peroxides
Cumyl hydroperoxides
tert-Butylperbenzoates
tert-Butylperoxy-2-ethylhexanoates
tert-Amylperoxy-2-ethylhexanoates
tert-Amylperbenzoate
tert-Butylperoxy-2-ethylhexylcarbonate
tert-Butylperoxyperneodecanoate
Di(4-tert.butylcyclohexyl)peroxydicarbonate
1,1-Di(tert.butylperoxy)cyclohexane
tert-Amylperoxy-2-ethylhexanoate
tert-Butylperoxy-3,5,5-trimethylhexanoate
Dimyrisylperoxydicarbonate
tert-Butylperoxyisopropylcarbonate
Dibenzoyl peroxides
Dibenzoyl peroxides
tert Butyl Hydroperoxide
NOROX MEKP-9 Medium geltime for general purpose use 8,9 60 30 R R R R R R R R O
NOROX HDP-75 Lower exotherm temp, similiar geltime but quicker barcol development than MCP-75 8,9 60 30 R R R R R R O R P
NOROX 305 Technically pure fl ake 4,0 99 50 30 R R R
NOROX TBPB Effi cient perester, ”kicker”, helps reduce residual styrene 8,1 >98 60 10-25 R R R R R R R R R R
NOROX 410 Fast curing perester for reduced cycle times 7,3 99 35 max 10 R R R R O
NOROX 411 t-Amyl version for lower residual stryene, better cure 7,3 99 40 max 20 P P P P O
NOROX TAPB High effi cient perester, lowest residual styrene levels 7,6 98 65 10-25 R R R R R R R R R R
NOROX 400 High effi cient, low TOC-emission 6,4 97 70 max 20 O R O R
NOROX 420-75OMS 75% solution in Odorless Mineral Spirits, fast starter, economical 6,2 95 15 -5 R O O O
NOROX 600 Fast Kick Off peroxide for two step curing 3,8 >96 45 max. 20 O P R R O R
NOROX 401 t-Amyl version, better cure, lower residual stryene 6,2 97 55 max 20 O R O R
NOROX 500-75OMS Most effi cient perketal, 75% dilution in Odorless Mineral Spirits 5,3 50 70 30 R R R R R
NOROX 802-75P Most useful for pigmented systems above 100°C for Pultrusion and SMC/BMC 6,3 75 40 15 R R
NOROX 425 Environmentally friendly, high effi cient perester, drinking water application 6,9 99 60 max 20 R R R O O R
NOROX 605 Technically pure fl ake, low kick off temperature, economical 3 97 35 max 20 R R O
NOROX 505-80 Hot curing initiator. Long pot life. Less affected by fi llers and pigments 9,7 80 60 30 P
TBIC Most effi cent styrene scavenger 6,8 75 60 27 R R R
P = Preferred for the application R = Recommended for the application. O = Other possible application. NR = Not recommended NR¹ = Not recommended for gel coats without testing for color shift NR² = Not recommended simply to extend gel time in hot weather. Many times that practice will result in an ”undercure” state that will turn into a ”postcure” problem later. Recommended products are one of the MEKP/CHP blends
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
NOROX MCP-75 Lower exotherm temp, long geltime, good fi nal cure. Good for thick laminates 8,9 60 30 R R R O R R O R R
NOROX DTBP An excellent scource of free radicals above 100°C 10,8 99 75 27
NOROX P-20 Promoted TBPB for elevated temperature processes with cobalt; alternative for 410 6,6 80 60 10-25 R R R R P R R R R R
NOROX 410-50OMS 50% dilution in Odorless Mineral Spirits for more accurate metering 3,8 50 40 15 R R R R O
NOROX 411-75OMS 25% dilution in Odorless Mineral Spirits for more accurate metering 5,2 75 35 10 P P P P O
NOROX DTAP t-amyl version of DTBP 8,7 96 90 27
NOROX MCP-21 Lower exotherm temp, longer gel & cure than MCP-75. Good for thick laminates 8,9 60 30 R R R NR R P O R R
NOROX MCP Lower exotherm temp, longer gel & cure than MCP-21. Good for thick laminates 8,8 60 30 R R R NR R R R R R
NOROX CHM-50 Promoted CHP for fast curing of some VE resins 4,5 60 30 R R R NR R R R R R R O R
NOROX CHP 80-85% assay, low exotherm temperature for thicker laminates 8,5 80-85 >76 30 O O O NR O O R R O R O R R
NOROX 771 Faster geltime version of MCP-75 8,9 60 30 R R R O R R O R R
NOROX MEKP-9H Longer geltime but same gel-to-cure time as MEKP-9; best for gelcoat 8,9 60 30 R R R P R P P P O
NOROX MEKP-900 Fast geltime for general purpose lamination 8,9 60 30 R R R NR R NR R NR O
NOROX MEKP-925 High Dimer for VE & Iso UPR, higher peak exotherm, more thorough cure 8,9 60 30 R R R R R R R R R
NOROX MEKP-925H High Dimer, lowest H2O2 designed for VE resins (less foaming) & ISONPG gelcoats 8,9 60 30 R R R P R P P P P
NOROX MEKP-30 Diluted MEKP-9, best used for when more volume is needed for metering equipment 5,5 60 30 NR² NR² NR² NR NR² NR NR² NR NR²
NOROX FS 100/9 Fastest geltime with medium cure rate 8,9 60 30 R R R NR NR NR R NR NR
NOROX TLC-88 MEKP-925H blend with TBPB, faster cure, higher peak exotherm 8,8 60 30 R R R NR R P R P R
NOROX KP 900 LE MEKP/TBHP blend for exotherm control without affecting geltime 8,9 60 30 R O R NR O O R NR NR
NOROX AZOX Improved for more consistent application 4,5 60 30 P P P NR¹ P P P O O O
NOROX MEC Cures well in thin fi lm, not effected by temperature changes as much as MEKP 8,9 60 30 P R R P R R R R
NOROX Pulcat AMB Non refrigerated kick off initiator, modifi ed for low odor 8,9 >60 30 R R R P
NOROX DCP An excellent source of free radical above 150°C for SMC/BMC use 5,9 99 >70 30 R R
NOROX TBHP 70% aquous solution convenient source of free radicals when water is present 12,5 70 >80 30 R
NOROX MEC-EX Fast gel & cure as compared to MEKP; devolped for low temperatures gel & cure 8,9 60 30 R R P NR R P
NOROX Pulcat AWM Blend with MEKP-925 for faster start in continous panel production 8,9 >60 30 R R R P
NOROX DCP 40 40% active, 60% fi ller allows compounder more effi cient mixing and use of DCP 2,4 40 >70 30 R R
NOROX AQUACURE Safer version of 415, water extended to use applications that require dewatering 1,8 >50 20
NOROX FC-100 AAP with improved cure performance 4,5 55 30 R R R NR¹ O P R O O O
NOROX 757 Diluted 750 for more accurate metering 3,5 60 30 R R O
NOROX SHP-40 Diluted SHP-90 3,6 55 30 O R R R R O
NOROX PD-40 Standard AAP 4,1 >65 30 R R R NR¹ R P R O O O
NOROX 750 AAP/CHP blend for fast cure, controlled exotherm 5,6 60 30 P P P NR¹ R P R R O O
NOROX SHP-90 AAP/TBPB blend for more heat, faster cure 4,5 55 30 P R R NR¹ O R R O O O
NOROX RTM-12 Long geltime, moderate cure and peak for VRTM 4,7 55 30 O O O NR¹ R P O O
SPEC
IAL R
ESIN
S
1,1-Di(tert.butylperoxy)-3,3,5-trimethylcyclohexanes
PRODUCT C
ODE
DESCRIP
TION
ACTIVE O
XYGEN
CONTE
NT
% % °C °C Ambient Elevated High
PERO
XIDE C
ONTENT
SAFE
TY D
ATA
APPLIC
ATION TE
MPE
RATU
RE
SADT
Reco
mmende
d max
. stor
age t
emp.
Hand L
ay-up
/Spra
y-up
Castin
g/W
inding
Polym
er Con
crete
& Mar
ble, B
utton
s
Gelcoa
ts
Body
Fille
rs
Chemica
l Anc
hors
& Mine
bolts
RTM
, vac
uum in
fusion
Culture
d Mar
ble
RTM
Cured I
n Plac
e Pipe
s (CIPP
)
Engin
eered
Ston
e
Closed
Mold
ing
Contin
uous
Lamina
ting
Pultru
sion
SMC, B
MC, G
MC, T
MC
Vinyles
ters
Acrylic
s
Ketone Peroxides
Hydroperoxides
Dialkyl Peroxides
Peresters
Peroxydicarbonates
Perketals
Dialkyl Peroxides
Methyl Ethyl Ketone Peroxides
Acetylacetone peroxides
Others
Methyl Isobutyl ketone peroxides
Dicumyl peroxides
Cumyl hydroperoxides
tert-Butylperbenzoates
tert-Butylperoxy-2-ethylhexanoates
tert-Amylperoxy-2-ethylhexanoates
tert-Amylperbenzoate
tert-Butylperoxy-2-ethylhexylcarbonate
tert-Butylperoxyperneodecanoate
Di(4-tert.butylcyclohexyl)peroxydicarbonate
1,1-Di(tert.butylperoxy)cyclohexane
tert-Amylperoxy-2-ethylhexanoate
tert-Butylperoxy-3,5,5-trimethylhexanoate
Dimyrisylperoxydicarbonate
tert-Butylperoxyisopropylcarbonate
Dibenzoyl peroxides
Dibenzoyl peroxides
tert Butyl Hydroperoxide
NOROX MEKP-9 Medium geltime for general purpose use 8,9 60 30 R R R R R R R R O
NOROX HDP-75 Lower exotherm temp, similiar geltime but quicker barcol development than MCP-75 8,9 60 30 R R R R R R O R P
NOROX 305 Technically pure fl ake 4,0 99 50 30 R R R
NOROX TBPB Effi cient perester, ”kicker”, helps reduce residual styrene 8,1 >98 60 10-25 R R R R R R R R R R
NOROX 410 Fast curing perester for reduced cycle times 7,3 99 35 max 10 R R R R O
NOROX 411 t-Amyl version for lower residual stryene, better cure 7,3 99 40 max 20 P P P P O
NOROX TAPB High effi cient perester, lowest residual styrene levels 7,6 98 65 10-25 R R R R R R R R R R
NOROX 400 High effi cient, low TOC-emission 6,4 97 70 max 20 O R O R
NOROX 420-75OMS 75% solution in Odorless Mineral Spirits, fast starter, economical 6,2 95 15 -5 R O O O
NOROX 600 Fast Kick Off peroxide for two step curing 3,8 >96 45 max. 20 O P R R O R
NOROX 401 t-Amyl version, better cure, lower residual stryene 6,2 97 55 max 20 O R O R
NOROX 500-75OMS Most effi cient perketal, 75% dilution in Odorless Mineral Spirits 5,3 50 70 30 R R R R R
NOROX 802-75P Most useful for pigmented systems above 100°C for Pultrusion and SMC/BMC 6,3 75 40 15 R R
NOROX 425 Environmentally friendly, high effi cient perester, drinking water application 6,9 99 60 max 20 R R R O O R
NOROX 605 Technically pure fl ake, low kick off temperature, economical 3 97 35 max 20 R R O
NOROX 505-80 Hot curing initiator. Long pot life. Less affected by fi llers and pigments 9,7 80 60 30 P
TBIC Most effi cent styrene scavenger 6,8 75 60 27 R R R
P = Preferred for the application R = Recommended for the application. O = Other possible application. NR = Not recommended NR¹ = Not recommended for gel coats without testing for color shift NR² = Not recommended simply to extend gel time in hot weather. Many times that practice will result in an ”undercure” state that will turn into a ”postcure” problem later. Recommended products are one of the MEKP/CHP blends
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
NOROX MCP-75 Lower exotherm temp, long geltime, good fi nal cure. Good for thick laminates 8,9 60 30 R R R O R R O R R
NOROX DTBP An excellent scource of free radicals above 100°C 10,8 99 75 27
NOROX P-20 Promoted TBPB for elevated temperature processes with cobalt; alternative for 410 6,6 80 60 10-25 R R R R P R R R R R
NOROX 410-50OMS 50% dilution in Odorless Mineral Spirits for more accurate metering 3,8 50 40 15 R R R R O
NOROX 411-75OMS 25% dilution in Odorless Mineral Spirits for more accurate metering 5,2 75 35 10 P P P P O
NOROX DTAP t-amyl version of DTBP 8,7 96 90 27
NOROX MCP-21 Lower exotherm temp, longer gel & cure than MCP-75. Good for thick laminates 8,9 60 30 R R R NR R P O R R
NOROX MCP Lower exotherm temp, longer gel & cure than MCP-21. Good for thick laminates 8,8 60 30 R R R NR R R R R R
NOROX CHM-50 Promoted CHP for fast curing of some VE resins 4,5 60 30 R R R NR R R R R R R O R
NOROX CHP 80-85% assay, low exotherm temperature for thicker laminates 8,5 80-85 >76 30 O O O NR O O R R O R O R R
NOROX 771 Faster geltime version of MCP-75 8,9 60 30 R R R O R R O R R
NOROX MEKP-9H Longer geltime but same gel-to-cure time as MEKP-9; best for gelcoat 8,9 60 30 R R R P R P P P O
NOROX MEKP-900 Fast geltime for general purpose lamination 8,9 60 30 R R R NR R NR R NR O
NOROX MEKP-925 High Dimer for VE & Iso UPR, higher peak exotherm, more thorough cure 8,9 60 30 R R R R R R R R R
NOROX MEKP-925H High Dimer, lowest H2O2 designed for VE resins (less foaming) & ISONPG gelcoats 8,9 60 30 R R R P R P P P P
NOROX MEKP-30 Diluted MEKP-9, best used for when more volume is needed for metering equipment 5,5 60 30 NR² NR² NR² NR NR² NR NR² NR NR²
NOROX FS 100/9 Fastest geltime with medium cure rate 8,9 60 30 R R R NR NR NR R NR NR
NOROX TLC-88 MEKP-925H blend with TBPB, faster cure, higher peak exotherm 8,8 60 30 R R R NR R P R P R
NOROX KP 900 LE MEKP/TBHP blend for exotherm control without affecting geltime 8,9 60 30 R O R NR O O R NR NR
NOROX AZOX Improved for more consistent application 4,5 60 30 P P P NR¹ P P P O O O
NOROX MEC Cures well in thin fi lm, not effected by temperature changes as much as MEKP 8,9 60 30 P R R P R R R R
NOROX Pulcat AMB Non refrigerated kick off initiator, modifi ed for low odor 8,9 >60 30 R R R P
NOROX DCP An excellent source of free radical above 150°C for SMC/BMC use 5,9 99 >70 30 R R
NOROX TBHP 70% aquous solution convenient source of free radicals when water is present 12,5 70 >80 30 R
NOROX MEC-EX Fast gel & cure as compared to MEKP; devolped for low temperatures gel & cure 8,9 60 30 R R P NR R P
NOROX Pulcat AWM Blend with MEKP-925 for faster start in continous panel production 8,9 >60 30 R R R P
NOROX DCP 40 40% active, 60% fi ller allows compounder more effi cient mixing and use of DCP 2,4 40 >70 30 R R
NOROX AQUACURE Safer version of 415, water extended to use applications that require dewatering 1,8 >50 20
NOROX FC-100 AAP with improved cure performance 4,5 55 30 R R R NR¹ O P R O O O
NOROX 757 Diluted 750 for more accurate metering 3,5 60 30 R R O
NOROX SHP-40 Diluted SHP-90 3,6 55 30 O R R R R O
NOROX PD-40 Standard AAP 4,1 >65 30 R R R NR¹ R P R O O O
NOROX 750 AAP/CHP blend for fast cure, controlled exotherm 5,6 60 30 P P P NR¹ R P R R O O
NOROX SHP-90 AAP/TBPB blend for more heat, faster cure 4,5 55 30 P R R NR¹ O R R O O O
NOROX RTM-12 Long geltime, moderate cure and peak for VRTM 4,7 55 30 O O O NR¹ R P O O
SPEC
IAL R
ESIN
S
1,1-Di(tert.butylperoxy)-3,3,5-trimethylcyclohexanes
PRODUCT C
ODE
DESCRIP
TION
ACTIVE O
XYGEN
CONTE
NT
% % °C °C Ambient Elevated High
PERO
XIDE C
ONTENT
SAFE
TY D
ATA
APPLIC
ATION TE
MPE
RATU
RE
SADT
Reco
mmende
d max
. stor
age t
emp.
Hand L
ay-up
/Spra
y-up
Castin
g/W
inding
Polym
er Con
crete
& Mar
ble, B
utton
s
Gelcoa
ts
Body
Fille
rs
Chemica
l Anc
hors
& Mine
bolts
RTM
, vac
uum in
fusion
Culture
d Mar
ble
RTM
Cured I
n Plac
e Pipe
s (CIPP
)
Engin
eered
Ston
e
Closed
Mold
ing
Contin
uous
Lamina
ting
Pultru
sion
SMC, B
MC, G
MC, T
MC
Vinyles
ters
Acrylic
s
Ketone Peroxides
Hydroperoxides
Dialkyl Peroxides
Peresters
Peroxydicarbonates
Perketals
Dialkyl Peroxides
Methyl Ethyl Ketone Peroxides
Acetylacetone peroxides
Others
Methyl Isobutyl ketone peroxides
Dicumyl peroxides
Cumyl hydroperoxides
tert-Butylperbenzoates
tert-Butylperoxy-2-ethylhexanoates
tert-Amylperoxy-2-ethylhexanoates
tert-Amylperbenzoate
tert-Butylperoxy-2-ethylhexylcarbonate
tert-Butylperoxyperneodecanoate
Di(4-tert.butylcyclohexyl)peroxydicarbonate
1,1-Di(tert.butylperoxy)cyclohexane
tert-Amylperoxy-2-ethylhexanoate
tert-Butylperoxy-3,5,5-trimethylhexanoate
Dimyrisylperoxydicarbonate
tert-Butylperoxyisopropylcarbonate
Dibenzoyl peroxides
Dibenzoyl peroxides
tert Butyl Hydroperoxide
NOROX MEKP-9 Medium geltime for general purpose use 8,9 60 30 R R R R R R R R O
NOROX HDP-75 Lower exotherm temp, similiar geltime but quicker barcol development than MCP-75 8,9 60 30 R R R R R R O R P
NOROX 305 Technically pure fl ake 4,0 99 50 30 R R R
NOROX TBPB Effi cient perester, ”kicker”, helps reduce residual styrene 8,1 >98 60 10-25 R R R R R R R R R R
NOROX 410 Fast curing perester for reduced cycle times 7,3 99 35 max 10 R R R R O
NOROX 411 t-Amyl version for lower residual stryene, better cure 7,3 99 40 max 20 P P P P O
NOROX TAPB High effi cient perester, lowest residual styrene levels 7,6 98 65 10-25 R R R R R R R R R R
NOROX 400 High effi cient, low TOC-emission 6,4 97 70 max 20 O R O R
NOROX 420-75OMS 75% solution in Odorless Mineral Spirits, fast starter, economical 6,2 95 15 -5 R O O O
NOROX 600 Fast Kick Off peroxide for two step curing 3,8 >96 45 max. 20 O P R R O R
NOROX 401 t-Amyl version, better cure, lower residual stryene 6,2 97 55 max 20 O R O R
NOROX 500-75OMS Most effi cient perketal, 75% dilution in Odorless Mineral Spirits 5,3 50 70 30 R R R R R
NOROX 802-75P Most useful for pigmented systems above 100°C for Pultrusion and SMC/BMC 6,3 75 40 15 R R
NOROX 425 Environmentally friendly, high effi cient perester, drinking water application 6,9 99 60 max 20 R R R O O R
NOROX 605 Technically pure fl ake, low kick off temperature, economical 3 97 35 max 20 R R O
NOROX 505-80 Hot curing initiator. Long pot life. Less affected by fi llers and pigments 9,7 80 60 30 P
TBIC Most effi cent styrene scavenger 6,8 75 60 27 R R R
P = Preferred for the application R = Recommended for the application. O = Other possible application. NR = Not recommended NR¹ = Not recommended for gel coats without testing for color shift NR² = Not recommended simply to extend gel time in hot weather. Many times that practice will result in an ”undercure” state that will turn into a ”postcure” problem later. Recommended products are one of the MEKP/CHP blends
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
NOROX MCP-75 Lower exotherm temp, long geltime, good fi nal cure. Good for thick laminates 8,9 60 30 R R R O R R O R R
NOROX DTBP An excellent scource of free radicals above 100°C 10,8 99 75 27
NOROX P-20 Promoted TBPB for elevated temperature processes with cobalt; alternative for 410 6,6 80 60 10-25 R R R R P R R R R R
NOROX 410-50OMS 50% dilution in Odorless Mineral Spirits for more accurate metering 3,8 50 40 15 R R R R O
NOROX 411-75OMS 25% dilution in Odorless Mineral Spirits for more accurate metering 5,2 75 35 10 P P P P O
NOROX DTAP t-amyl version of DTBP 8,7 96 90 27
NOROX MCP-21 Lower exotherm temp, longer gel & cure than MCP-75. Good for thick laminates 8,9 60 30 R R R NR R P O R R
NOROX MCP Lower exotherm temp, longer gel & cure than MCP-21. Good for thick laminates 8,8 60 30 R R R NR R R R R R
NOROX CHM-50 Promoted CHP for fast curing of some VE resins 4,5 60 30 R R R NR R R R R R R O R
NOROX CHP 80-85% assay, low exotherm temperature for thicker laminates 8,5 80-85 >76 30 O O O NR O O R R O R O R R
NOROX 771 Faster geltime version of MCP-75 8,9 60 30 R R R O R R O R R
NOROX MEKP-9H Longer geltime but same gel-to-cure time as MEKP-9; best for gelcoat 8,9 60 30 R R R P R P P P O
NOROX MEKP-900 Fast geltime for general purpose lamination 8,9 60 30 R R R NR R NR R NR O
NOROX MEKP-925 High Dimer for VE & Iso UPR, higher peak exotherm, more thorough cure 8,9 60 30 R R R R R R R R R
NOROX MEKP-925H High Dimer, lowest H2O2 designed for VE resins (less foaming) & ISONPG gelcoats 8,9 60 30 R R R P R P P P P
NOROX MEKP-30 Diluted MEKP-9, best used for when more volume is needed for metering equipment 5,5 60 30 NR² NR² NR² NR NR² NR NR² NR NR²
NOROX FS 100/9 Fastest geltime with medium cure rate 8,9 60 30 R R R NR NR NR R NR NR
NOROX TLC-88 MEKP-925H blend with TBPB, faster cure, higher peak exotherm 8,8 60 30 R R R NR R P R P R
NOROX KP 900 LE MEKP/TBHP blend for exotherm control without affecting geltime 8,9 60 30 R O R NR O O R NR NR
NOROX AZOX Improved for more consistent application 4,5 60 30 P P P NR¹ P P P O O O
NOROX MEC Cures well in thin fi lm, not effected by temperature changes as much as MEKP 8,9 60 30 P R R P R R R R
NOROX Pulcat AMB Non refrigerated kick off initiator, modifi ed for low odor 8,9 >60 30 R R R P
NOROX DCP An excellent source of free radical above 150°C for SMC/BMC use 5,9 99 >70 30 R R
NOROX TBHP 70% aquous solution convenient source of free radicals when water is present 12,5 70 >80 30 R
NOROX MEC-EX Fast gel & cure as compared to MEKP; devolped for low temperatures gel & cure 8,9 60 30 R R P NR R P
NOROX Pulcat AWM Blend with MEKP-925 for faster start in continous panel production 8,9 >60 30 R R R P
NOROX DCP 40 40% active, 60% fi ller allows compounder more effi cient mixing and use of DCP 2,4 40 >70 30 R R
NOROX AQUACURE Safer version of 415, water extended to use applications that require dewatering 1,8 >50 20
NOROX FC-100 AAP with improved cure performance 4,5 55 30 R R R NR¹ O P R O O O
NOROX 757 Diluted 750 for more accurate metering 3,5 60 30 R R O
NOROX SHP-40 Diluted SHP-90 3,6 55 30 O R R R R O
NOROX PD-40 Standard AAP 4,1 >65 30 R R R NR¹ R P R O O O
NOROX 750 AAP/CHP blend for fast cure, controlled exotherm 5,6 60 30 P P P NR¹ R P R R O O
NOROX SHP-90 AAP/TBPB blend for more heat, faster cure 4,5 55 30 P R R NR¹ O R R O O O
NOROX RTM-12 Long geltime, moderate cure and peak for VRTM 4,7 55 30 O O O NR¹ R P O O
SPEC
IAL R
ESIN
S
1,1-Di(tert.butylperoxy)-3,3,5-trimethylcyclohexanes
PRODUCT C
ODE
DESCRIP
TION
ACTIVE O
XYGEN
CONTE
NT
% % °C °C Ambient Elevated High
PERO
XIDE C
ONTENT
SAFE
TY D
ATA
APPLIC
ATION TE
MPE
RATU
RE
SADT
Reco
mmende
d max
. stor
age t
emp.
Hand L
ay-up
/Spra
y-up
Castin
g/W
inding
Polym
er Con
crete
& Mar
ble, B
utton
s
Gelcoa
ts
Body
Fille
rs
Chemica
l Anc
hors
& Mine
bolts
RTM
, vac
uum in
fusion
Culture
d Mar
ble
RTM
Cured I
n Plac
e Pipe
s (CIPP
)
Engin
eered
Ston
e
Closed
Mold
ing
Contin
uous
Lamina
ting
Pultru
sion
SMC, B
MC, G
MC, T
MC
Vinyles
ters
Acrylic
s
Ketone Peroxides
Hydroperoxides
Dialkyl Peroxides
Peresters
Peroxydicarbonates
Perketals
Dialkyl Peroxides
Methyl Ethyl Ketone Peroxides
Acetylacetone peroxides
Others
Methyl Isobutyl ketone peroxides
Dicumyl peroxides
Cumyl hydroperoxides
tert-Butylperbenzoates
tert-Butylperoxy-2-ethylhexanoates
tert-Amylperoxy-2-ethylhexanoates
tert-Amylperbenzoate
tert-Butylperoxy-2-ethylhexylcarbonate
tert-Butylperoxyperneodecanoate
Di(4-tert.butylcyclohexyl)peroxydicarbonate
1,1-Di(tert.butylperoxy)cyclohexane
tert-Amylperoxy-2-ethylhexanoate
tert-Butylperoxy-3,5,5-trimethylhexanoate
Dimyrisylperoxydicarbonate
tert-Butylperoxyisopropylcarbonate
Dibenzoyl peroxides
Dibenzoyl peroxides
tert Butyl Hydroperoxide
NOROX MEKP-9 Medium geltime for general purpose use 8,9 60 30 R R R R R R R R O
NOROX HDP-75 Lower exotherm temp, similiar geltime but quicker barcol development than MCP-75 8,9 60 30 R R R R R R O R P
NOROX 305 Technically pure fl ake 4,0 99 50 30 R R R
NOROX TBPB Effi cient perester, ”kicker”, helps reduce residual styrene 8,1 >98 60 10-25 R R R R R R R R R R
NOROX 410 Fast curing perester for reduced cycle times 7,3 99 35 max 10 R R R R O
NOROX 411 t-Amyl version for lower residual stryene, better cure 7,3 99 40 max 20 P P P P O
NOROX TAPB High effi cient perester, lowest residual styrene levels 7,6 98 65 10-25 R R R R R R R R R R
NOROX 400 High effi cient, low TOC-emission 6,4 97 70 max 20 O R O R
NOROX 420-75OMS 75% solution in Odorless Mineral Spirits, fast starter, economical 6,2 95 15 -5 R O O O
NOROX 600 Fast Kick Off peroxide for two step curing 3,8 >96 45 max. 20 O P R R O R
NOROX 401 t-Amyl version, better cure, lower residual stryene 6,2 97 55 max 20 O R O R
NOROX 500-75OMS Most effi cient perketal, 75% dilution in Odorless Mineral Spirits 5,3 50 70 30 R R R R R
NOROX 802-75P Most useful for pigmented systems above 100°C for Pultrusion and SMC/BMC 6,3 75 40 15 R R
NOROX 425 Environmentally friendly, high effi cient perester, drinking water application 6,9 99 60 max 20 R R R O O R
NOROX 605 Technically pure fl ake, low kick off temperature, economical 3 97 35 max 20 R R O
NOROX 505-80 Hot curing initiator. Long pot life. Less affected by fi llers and pigments 9,7 80 60 30 P
TBIC Most effi cent styrene scavenger 6,8 75 60 27 R R R
P = Preferred for the application R = Recommended for the application. O = Other possible application. NR = Not recommended NR¹ = Not recommended for gel coats without testing for color shift NR² = Not recommended simply to extend gel time in hot weather. Many times that practice will result in an ”undercure” state that will turn into a ”postcure” problem later. Recommended products are one of the MEKP/CHP blends
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
NOROX MCP-75 Lower exotherm temp, long geltime, good fi nal cure. Good for thick laminates 8,9 60 30 R R R O R R O R R
NOROX DTBP An excellent scource of free radicals above 100°C 10,8 99 75 27
NOROX P-20 Promoted TBPB for elevated temperature processes with cobalt; alternative for 410 6,6 80 60 10-25 R R R R P R R R R R
NOROX 410-50OMS 50% dilution in Odorless Mineral Spirits for more accurate metering 3,8 50 40 15 R R R R O
NOROX 411-75OMS 25% dilution in Odorless Mineral Spirits for more accurate metering 5,2 75 35 10 P P P P O
NOROX DTAP t-amyl version of DTBP 8,7 96 90 27
NOROX MCP-21 Lower exotherm temp, longer gel & cure than MCP-75. Good for thick laminates 8,9 60 30 R R R NR R P O R R
NOROX MCP Lower exotherm temp, longer gel & cure than MCP-21. Good for thick laminates 8,8 60 30 R R R NR R R R R R
NOROX CHM-50 Promoted CHP for fast curing of some VE resins 4,5 60 30 R R R NR R R R R R R O R
NOROX CHP 80-85% assay, low exotherm temperature for thicker laminates 8,5 80-85 >76 30 O O O NR O O R R O R O R R
NOROX 771 Faster geltime version of MCP-75 8,9 60 30 R R R O R R O R R
NOROX MEKP-9H Longer geltime but same gel-to-cure time as MEKP-9; best for gelcoat 8,9 60 30 R R R P R P P P O
NOROX MEKP-900 Fast geltime for general purpose lamination 8,9 60 30 R R R NR R NR R NR O
NOROX MEKP-925 High Dimer for VE & Iso UPR, higher peak exotherm, more thorough cure 8,9 60 30 R R R R R R R R R
NOROX MEKP-925H High Dimer, lowest H2O2 designed for VE resins (less foaming) & ISONPG gelcoats 8,9 60 30 R R R P R P P P P
NOROX MEKP-30 Diluted MEKP-9, best used for when more volume is needed for metering equipment 5,5 60 30 NR² NR² NR² NR NR² NR NR² NR NR²
NOROX FS 100/9 Fastest geltime with medium cure rate 8,9 60 30 R R R NR NR NR R NR NR
NOROX TLC-88 MEKP-925H blend with TBPB, faster cure, higher peak exotherm 8,8 60 30 R R R NR R P R P R
NOROX KP 900 LE MEKP/TBHP blend for exotherm control without affecting geltime 8,9 60 30 R O R NR O O R NR NR
NOROX AZOX Improved for more consistent application 4,5 60 30 P P P NR¹ P P P O O O
NOROX MEC Cures well in thin fi lm, not effected by temperature changes as much as MEKP 8,9 60 30 P R R P R R R R
NOROX Pulcat AMB Non refrigerated kick off initiator, modifi ed for low odor 8,9 >60 30 R R R P
NOROX DCP An excellent source of free radical above 150°C for SMC/BMC use 5,9 99 >70 30 R R
NOROX TBHP 70% aquous solution convenient source of free radicals when water is present 12,5 70 >80 30 R
NOROX MEC-EX Fast gel & cure as compared to MEKP; devolped for low temperatures gel & cure 8,9 60 30 R R P NR R P
NOROX Pulcat AWM Blend with MEKP-925 for faster start in continous panel production 8,9 >60 30 R R R P
NOROX DCP 40 40% active, 60% fi ller allows compounder more effi cient mixing and use of DCP 2,4 40 >70 30 R R
NOROX AQUACURE Safer version of 415, water extended to use applications that require dewatering 1,8 >50 20
NOROX FC-100 AAP with improved cure performance 4,5 55 30 R R R NR¹ O P R O O O
NOROX 757 Diluted 750 for more accurate metering 3,5 60 30 R R O
NOROX SHP-40 Diluted SHP-90 3,6 55 30 O R R R R O
NOROX PD-40 Standard AAP 4,1 >65 30 R R R NR¹ R P R O O O
NOROX 750 AAP/CHP blend for fast cure, controlled exotherm 5,6 60 30 P P P NR¹ R P R R O O
NOROX SHP-90 AAP/TBPB blend for more heat, faster cure 4,5 55 30 P R R NR¹ O R R O O O
NOROX RTM-12 Long geltime, moderate cure and peak for VRTM 4,7 55 30 O O O NR¹ R P O O
SPEC
IAL R
ESIN
S
1,1-Di(tert.butylperoxy)-3,3,5-trimethylcyclohexanes
PRODUCT C
ODE
DESCRIP
TION
ACTIVE O
XYGEN
CONTE
NT
% % °C °C Ambient Elevated High
PERO
XIDE C
ONTENT
SAFE
TY D
ATA
APPLIC
ATION TE
MPE
RATU
RE
SADT
Reco
mmende
d max
. stor
age t
emp.
Hand L
ay-up
/Spra
y-up
Castin
g/W
inding
Polym
er Con
crete
& Mar
ble, B
utton
s
Gelcoa
ts
Body
Fille
rs
Chemica
l Anc
hors
& Mine
bolts
RTM
, vac
uum in
fusion
Culture
d Mar
ble
RTM
Cured I
n Plac
e Pipe
s (CIPP
)
Engin
eered
Ston
e
Closed
Mold
ing
Contin
uous
Lamina
ting
Pultru
sion
SMC, B
MC, G
MC, T
MC
Vinyles
ters
Acrylic
s
Ketone Peroxides
Hydroperoxides
Dialkyl Peroxides
Peresters
Peroxydicarbonates
Perketals
Dialkyl Peroxides
Methyl Ethyl Ketone Peroxides
Acetylacetone peroxides
Others
Methyl Isobutyl ketone peroxides
Dicumyl peroxides
Cumyl hydroperoxides
tert-Butylperbenzoates
tert-Butylperoxy-2-ethylhexanoates
tert-Amylperoxy-2-ethylhexanoates
tert-Amylperbenzoate
tert-Butylperoxy-2-ethylhexylcarbonate
tert-Butylperoxyperneodecanoate
Di(4-tert.butylcyclohexyl)peroxydicarbonate
1,1-Di(tert.butylperoxy)cyclohexane
tert-Amylperoxy-2-ethylhexanoate
tert-Butylperoxy-3,5,5-trimethylhexanoate
Dimyrisylperoxydicarbonate
tert-Butylperoxyisopropylcarbonate
Dibenzoyl peroxides
Dibenzoyl peroxides
tert Butyl Hydroperoxide
NOROX MEKP-9 Medium geltime for general purpose use 8,9 60 30 R R R R R R R R O
NOROX HDP-75 Lower exotherm temp, similiar geltime but quicker barcol development than MCP-75 8,9 60 30 R R R R R R O R P
NOROX 305 Technically pure fl ake 4,0 99 50 30 R R R
NOROX TBPB Effi cient perester, ”kicker”, helps reduce residual styrene 8,1 >98 60 10-25 R R R R R R R R R R
NOROX 410 Fast curing perester for reduced cycle times 7,3 99 35 max 10 R R R R O
NOROX 411 t-Amyl version for lower residual stryene, better cure 7,3 99 40 max 20 P P P P O
NOROX TAPB High effi cient perester, lowest residual styrene levels 7,6 98 65 10-25 R R R R R R R R R R
NOROX 400 High effi cient, low TOC-emission 6,4 97 70 max 20 O R O R
NOROX 420-75OMS 75% solution in Odorless Mineral Spirits, fast starter, economical 6,2 95 15 -5 R O O O
NOROX 600 Fast Kick Off peroxide for two step curing 3,8 >96 45 max. 20 O P R R O R
NOROX 401 t-Amyl version, better cure, lower residual stryene 6,2 97 55 max 20 O R O R
NOROX 500-75OMS Most effi cient perketal, 75% dilution in Odorless Mineral Spirits 5,3 50 70 30 R R R R R
NOROX 802-75P Most useful for pigmented systems above 100°C for Pultrusion and SMC/BMC 6,3 75 40 15 R R
NOROX 425 Environmentally friendly, high effi cient perester, drinking water application 6,9 99 60 max 20 R R R O O R
NOROX 605 Technically pure fl ake, low kick off temperature, economical 3 97 35 max 20 R R O
NOROX 505-80 Hot curing initiator. Long pot life. Less affected by fi llers and pigments 9,7 80 60 30 P
TBIC Most effi cent styrene scavenger 6,8 75 60 27 R R R
P = Preferred for the application R = Recommended for the application. O = Other possible application. NR = Not recommended NR¹ = Not recommended for gel coats without testing for color shift NR² = Not recommended simply to extend gel time in hot weather. Many times that practice will result in an ”undercure” state that will turn into a ”postcure” problem later. Recommended products are one of the MEKP/CHP blends
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
NOROX MCP-75 Lower exotherm temp, long geltime, good fi nal cure. Good for thick laminates 8,9 60 30 R R R O R R O R R
NOROX DTBP An excellent scource of free radicals above 100°C 10,8 99 75 27
NOROX P-20 Promoted TBPB for elevated temperature processes with cobalt; alternative for 410 6,6 80 60 10-25 R R R R P R R R R R
NOROX 410-50OMS 50% dilution in Odorless Mineral Spirits for more accurate metering 3,8 50 40 15 R R R R O
NOROX 411-75OMS 25% dilution in Odorless Mineral Spirits for more accurate metering 5,2 75 35 10 P P P P O
NOROX DTAP t-amyl version of DTBP 8,7 96 90 27
NOROX MCP-21 Lower exotherm temp, longer gel & cure than MCP-75. Good for thick laminates 8,9 60 30 R R R NR R P O R R
NOROX MCP Lower exotherm temp, longer gel & cure than MCP-21. Good for thick laminates 8,8 60 30 R R R NR R R R R R
NOROX CHM-50 Promoted CHP for fast curing of some VE resins 4,5 60 30 R R R NR R R R R R R O R
NOROX CHP 80-85% assay, low exotherm temperature for thicker laminates 8,5 80-85 >76 30 O O O NR O O R R O R O R R
NOROX 771 Faster geltime version of MCP-75 8,9 60 30 R R R O R R O R R
NOROX MEKP-9H Longer geltime but same gel-to-cure time as MEKP-9; best for gelcoat 8,9 60 30 R R R P R P P P O
NOROX MEKP-900 Fast geltime for general purpose lamination 8,9 60 30 R R R NR R NR R NR O
NOROX MEKP-925 High Dimer for VE & Iso UPR, higher peak exotherm, more thorough cure 8,9 60 30 R R R R R R R R R
NOROX MEKP-925H High Dimer, lowest H2O2 designed for VE resins (less foaming) & ISONPG gelcoats 8,9 60 30 R R R P R P P P P
NOROX MEKP-30 Diluted MEKP-9, best used for when more volume is needed for metering equipment 5,5 60 30 NR² NR² NR² NR NR² NR NR² NR NR²
NOROX FS 100/9 Fastest geltime with medium cure rate 8,9 60 30 R R R NR NR NR R NR NR
NOROX TLC-88 MEKP-925H blend with TBPB, faster cure, higher peak exotherm 8,8 60 30 R R R NR R P R P R
NOROX KP 900 LE MEKP/TBHP blend for exotherm control without affecting geltime 8,9 60 30 R O R NR O O R NR NR
NOROX AZOX Improved for more consistent application 4,5 60 30 P P P NR¹ P P P O O O
NOROX MEC Cures well in thin fi lm, not effected by temperature changes as much as MEKP 8,9 60 30 P R R P R R R R
NOROX Pulcat AMB Non refrigerated kick off initiator, modifi ed for low odor 8,9 >60 30 R R R P
NOROX DCP An excellent source of free radical above 150°C for SMC/BMC use 5,9 99 >70 30 R R
NOROX TBHP 70% aquous solution convenient source of free radicals when water is present 12,5 70 >80 30 R
NOROX MEC-EX Fast gel & cure as compared to MEKP; devolped for low temperatures gel & cure 8,9 60 30 R R P NR R P
NOROX Pulcat AWM Blend with MEKP-925 for faster start in continous panel production 8,9 >60 30 R R R P
NOROX DCP 40 40% active, 60% fi ller allows compounder more effi cient mixing and use of DCP 2,4 40 >70 30 R R
NOROX AQUACURE Safer version of 415, water extended to use applications that require dewatering 1,8 >50 20
NOROX FC-100 AAP with improved cure performance 4,5 55 30 R R R NR¹ O P R O O O
NOROX 757 Diluted 750 for more accurate metering 3,5 60 30 R R O
NOROX SHP-40 Diluted SHP-90 3,6 55 30 O R R R R O
NOROX PD-40 Standard AAP 4,1 >65 30 R R R NR¹ R P R O O O
NOROX 750 AAP/CHP blend for fast cure, controlled exotherm 5,6 60 30 P P P NR¹ R P R R O O
NOROX SHP-90 AAP/TBPB blend for more heat, faster cure 4,5 55 30 P R R NR¹ O R R O O O
NOROX RTM-12 Long geltime, moderate cure and peak for VRTM 4,7 55 30 O O O NR¹ R P O O
SPEC
IAL R
ESIN
S
1,1-Di(tert.butylperoxy)-3,3,5-trimethylcyclohexanes
PRODUCT C
ODE
DESCRIP
TION
ACTIVE O
XYGEN
CONTE
NT
% % °C °C Ambient Elevated High
PERO
XIDE C
ONTENT
SAFE
TY D
ATA
APPLIC
ATION TE
MPE
RATU
RE
SADT
Reco
mmende
d max
. stor
age t
emp.
Hand L
ay-up
/Spra
y-up
Castin
g/W
inding
Polym
er Con
crete
& Mar
ble, B
utton
s
Gelcoa
ts
Body
Fille
rs
Chemica
l Anc
hors
& Mine
bolts
RTM
, vac
uum in
fusion
Culture
d Mar
ble
RTM
Cured I
n Plac
e Pipe
s (CIPP
)
Engin
eered
Ston
e
Closed
Mold
ing
Contin
uous
Lamina
ting
Pultru
sion
SMC, B
MC, G
MC, T
MC
Vinyles
ters
Acrylic
s
Ketone Peroxides
Hydroperoxides
Dialkyl Peroxides
Peresters
Peroxydicarbonates
Perketals
Dialkyl Peroxides
Methyl Ethyl Ketone Peroxides
Acetylacetone peroxides
Others
Methyl Isobutyl ketone peroxides
Dicumyl peroxides
Cumyl hydroperoxides
tert-Butylperbenzoates
tert-Butylperoxy-2-ethylhexanoates
tert-Amylperoxy-2-ethylhexanoates
tert-Amylperbenzoate
tert-Butylperoxy-2-ethylhexylcarbonate
tert-Butylperoxyperneodecanoate
Di(4-tert.butylcyclohexyl)peroxydicarbonate
1,1-Di(tert.butylperoxy)cyclohexane
tert-Amylperoxy-2-ethylhexanoate
tert-Butylperoxy-3,5,5-trimethylhexanoate
Dimyrisylperoxydicarbonate
tert-Butylperoxyisopropylcarbonate
Dibenzoyl peroxides
Dibenzoyl peroxides
tert Butyl Hydroperoxide
NOROX MEKP-9 Medium geltime for general purpose use 8,9 60 30 R R R R R R R R O
NOROX HDP-75 Lower exotherm temp, similiar geltime but quicker barcol development than MCP-75 8,9 60 30 R R R R R R O R P
NOROX 305 Technically pure fl ake 4,0 99 50 30 R R R
NOROX TBPB Effi cient perester, ”kicker”, helps reduce residual styrene 8,1 >98 60 10-25 R R R R R R R R R R
NOROX 410 Fast curing perester for reduced cycle times 7,3 99 35 max 10 R R R R O
NOROX 411 t-Amyl version for lower residual stryene, better cure 7,3 99 40 max 20 P P P P O
NOROX TAPB High effi cient perester, lowest residual styrene levels 7,6 98 65 10-25 R R R R R R R R R R
NOROX 400 High effi cient, low TOC-emission 6,4 97 70 max 20 O R O R
NOROX 420-75OMS 75% solution in Odorless Mineral Spirits, fast starter, economical 6,2 95 15 -5 R O O O
NOROX 600 Fast Kick Off peroxide for two step curing 3,8 >96 45 max. 20 O P R R O R
NOROX 401 t-Amyl version, better cure, lower residual stryene 6,2 97 55 max 20 O R O R
NOROX 500-75OMS Most effi cient perketal, 75% dilution in Odorless Mineral Spirits 5,3 50 70 30 R R R R R
NOROX 802-75P Most useful for pigmented systems above 100°C for Pultrusion and SMC/BMC 6,3 75 40 15 R R
NOROX 425 Environmentally friendly, high effi cient perester, drinking water application 6,9 99 60 max 20 R R R O O R
NOROX 605 Technically pure fl ake, low kick off temperature, economical 3 97 35 max 20 R R O
NOROX 505-80 Hot curing initiator. Long pot life. Less affected by fi llers and pigments 9,7 80 60 30 P
TBIC Most effi cent styrene scavenger 6,8 75 60 27 R R R
P = Preferred for the application R = Recommended for the application. O = Other possible application. NR = Not recommended NR¹ = Not recommended for gel coats without testing for color shift NR² = Not recommended simply to extend gel time in hot weather. Many times that practice will result in an ”undercure” state that will turn into a ”postcure” problem later. Recommended products are one of the MEKP/CHP blends
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
BENOX L40LV 40%, sprayable BPO dispersion 2,6 40 >50 0-25 P P P NR R O O R P R R O O R
BENOX B-50 50% BPO dispersion in a non separating creamy paste 3,3 50 >50 10-25 O O O NR P P O O R
BENOX A-70 70% BPO granules in water 4,5 70 >65 0-25 O O O NR R R R R
BENOX B-55 55% BPO dispersion in a non separating creamy paste 3,6 55 >50 10-25 O O O NR P P R
BENOX A-75 75% BPO granules in water 5,0 75 >65 0-25 O O O NR R R R R
BENOX C-50 50% BPO free fl owing, non-caking powder with a phthalate ester plasticizer 3,3 50 60 30 O O O NR R O O O R
NOROX MCP-75 Lower exotherm temp, long geltime, good fi nal cure. Good for thick laminates 8,9 60 30 R R R O R R O R R
NOROX DTBP An excellent scource of free radicals above 100°C 10,8 99 75 27
NOROX P-20 Promoted TBPB for elevated temperature processes with cobalt; alternative for 410 6,6 80 60 10-25 R R R R P R R R R R
NOROX 410-50OMS 50% dilution in Odorless Mineral Spirits for more accurate metering 3,8 50 40 15 R R R R O
NOROX 411-75OMS 25% dilution in Odorless Mineral Spirits for more accurate metering 5,2 75 35 10 P P P P O
NOROX DTAP t-amyl version of DTBP 8,7 96 90 27
NOROX MCP-21 Lower exotherm temp, longer gel & cure than MCP-75. Good for thick laminates 8,9 60 30 R R R NR R P O R R
NOROX MCP Lower exotherm temp, longer gel & cure than MCP-21. Good for thick laminates 8,8 60 30 R R R NR R R R R R
NOROX CHM-50 Promoted CHP for fast curing of some VE resins 4,5 60 30 R R R NR R R R R R R O R
NOROX CHP 80-85% assay, low exotherm temperature for thicker laminates 8,5 80-85 >76 30 O O O NR O O R R O R O R R
NOROX 771 Faster geltime version of MCP-75 8,9 60 30 R R R O R R O R R
NOROX MEKP-9H Longer geltime but same gel-to-cure time as MEKP-9; best for gelcoat 8,9 60 30 R R R P R P P P O
NOROX MEKP-900 Fast geltime for general purpose lamination 8,9 60 30 R R R NR R NR R NR O
NOROX MEKP-925 High Dimer for VE & Iso UPR, higher peak exotherm, more thorough cure 8,9 60 30 R R R R R R R R R
NOROX MEKP-925H High Dimer, lowest H2O2 designed for VE resins (less foaming) & ISONPG gelcoats 8,9 60 30 R R R P R P P P P
NOROX MEKP-30 Diluted MEKP-9, best used for when more volume is needed for metering equipment 5,5 60 30 NR² NR² NR² NR NR² NR NR² NR NR²
NOROX FS 100/9 Fastest geltime with medium cure rate 8,9 60 30 R R R NR NR NR R NR NR
NOROX TLC-88 MEKP-925H blend with TBPB, faster cure, higher peak exotherm 8,8 60 30 R R R NR R P R P R
NOROX KP 900 LE MEKP/TBHP blend for exotherm control without affecting geltime 8,9 60 30 R O R NR O O R NR NR
NOROX AZOX Improved for more consistent application 4,5 60 30 P P P NR¹ P P P O O O
NOROX MEC Cures well in thin fi lm, not effected by temperature changes as much as MEKP 8,9 60 30 P R R P R R R R
NOROX Pulcat AMB Non refrigerated kick off initiator, modifi ed for low odor 8,9 >60 30 R R R P
NOROX DCP An excellent source of free radical above 150°C for SMC/BMC use 5,9 99 >70 30 R R
NOROX TBHP 70% aquous solution convenient source of free radicals when water is present 12,5 70 >80 30 R
NOROX MEC-EX Fast gel & cure as compared to MEKP; devolped for low temperatures gel & cure 8,9 60 30 R R P NR R P
NOROX Pulcat AWM Blend with MEKP-925 for faster start in continous panel production 8,9 >60 30 R R R P
NOROX DCP 40 40% active, 60% fi ller allows compounder more effi cient mixing and use of DCP 2,4 40 >70 30 R R
NOROX AQUACURE Safer version of 415, water extended to use applications that require dewatering 1,8 >50 20
NOROX FC-100 AAP with improved cure performance 4,5 55 30 R R R NR¹ O P R O O O
NOROX 757 Diluted 750 for more accurate metering 3,5 60 30 R R O
NOROX SHP-40 Diluted SHP-90 3,6 55 30 O R R R R O
NOROX PD-40 Standard AAP 4,1 >65 30 R R R NR¹ R P R O O O
NOROX 750 AAP/CHP blend for fast cure, controlled exotherm 5,6 60 30 P P P NR¹ R P R R O O
NOROX SHP-90 AAP/TBPB blend for more heat, faster cure 4,5 55 30 P R R NR¹ O R R O O O
NOROX RTM-12 Long geltime, moderate cure and peak for VRTM 4,7 55 30 O O O NR¹ R P O O
SPEC
IAL R
ESIN
S
1,1-Di(tert.butylperoxy)-3,3,5-trimethylcyclohexanes
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