also available on our internet site www.neophane.it
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OverviewOverview
5. In depth discussion: cold-seal and countline flow-pack (November 30th, 2007)
next step:6. In depth discussion: high barrier
powders, liquid and coffee (January 31st, 2008)
7. In depth discussion: sleeves (February 29th, 2008)
Overview n°5, 11/30/07 - page 2/11
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Neophane S.p.A. has opened a new prospect to its commercial partners:
Neo Customer CareNeo Customer Carea procedure in the vanguard for our field:
through our internet site www.neophane.it our customers can reach in a real time the following activities:• to display the existing orders and the state of
progress;• to display the finished goods stock• to interact with the Technical Office, in order
to study new packaging solutions;• to interact with the Graphical Office, in order
to study new ideas for the presentation and the appeal of the product
Please, contact Neophane Customer Service at the n. 02.932691 for any information.
Overview n°5, 11/30/07 - page 3/11
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TRANSPARENT APPROACHTRANSPARENT APPROACH
Everything under control, on Neophane web site
•LOGIN•PASSWORD
•SITUATION OF RUNNING ORDERS•SITUATION OF STOCKS
•OTHERS
•LOGIN•PASSWORD•SITUAZIONE ORDINI IN CORSO•SITUAZIONE STOCK•VARIE
CustomerCustomer
→
Overview n°5, 11/30/07 - page 4/11
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Overview N° 5Overview N° 5NovNov. 30th, 2007. 30th, 2007
55cold-seal andcountline flow-pack
Overview n°5, 11/30/07 - page 5/11
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The flow-packThe flow-packwith cold-sealwith cold-seal
As the wording indicates, cold-seal allows the closing of the pack with just pressure, using the sealing bars at room temperature.
It is used on automatic Horizontal FFS machines, particularly for the wrapping of chocolate snacks and ice creams (that is all products sensible to temperatures), but more and more used in order to reach faster packing speeds (higher than 50m/min) and energy saving.
Fields of application:• Single-dose chocolates• Ice creams• Snack bars• Cards and gadgets• Single-dose washing-up tablets
Overview n°5, 11/30/07 - page 6/11
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ApplicationsApplicationsDuring the printing phase, the cold-seal is applied on the reverse
side in register.
Cold-seal is normally a natural derivative of the rubber tree, but there are also synthetic cold seals available that totally eliminate the risk of allergic reactions.
The films usually used for this kind of application are monolayer of
coextruded OPP base:
• TRANSPARENT OPP, that allows the visualisation of the product
• METALLISED OPP, that gives light barrier
• white and metallised CAVITATED OPP, that give an attractive appeal
Overview n°5, 11/30/07 - page 7/11
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CHARACTERISTICSCHARACTERISTICSThe following peculiarities are important for this kind of
wrapping:
• very brilliant inks;
• good adhesion of inks (in case of metallised film, it is necessary the print on the metal side);
• resistance to water of inks and release (for the ice-cream field);
• very low solvent retention after printing;
• very low odour level of the applied cold-seal;
• register of the cold-seal, to allow the correct sealing during the wrapping procedure;
• compatibility of the two most important components: release/cold-seal, to guarantee the correct unwinding of the reel during the cutting and the wrapping phases.
Overview n°5, 11/30/07 - page 8/11
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STRUCTURESSTRUCTURES
The film is printed on the treated side (transparent or white) with suitable inks. Over the inks a release coating is applied to prevent the adhesion of the sealing side in the reel, in order to permit unwinding of the film.
In line, on the opposite side, the cold-seal is applied in register.
The good water vapour barrier given by OPP film, enables the use of this structure in the detergent field for the single-dose washing-up tablets.
STRATIGRAPHY µm g/m²
Release varnish (coverage 100%) 1 1,50
Inks (coverage 100%) 1 1,00
transparent / metallised / metallised-white OPP 25÷35 22,75÷31,80
COLD-SEAL 3 3,00÷5,00
PROPERTIES METHOD UNIT VALUE TOLLERANCE
ADHESION of inks & cold-seal NEO 115 % > 95 ≥ 95
SEAL STRENGTHT: 25°C / P: 4bar / t: 0,5sec.
ASTM 88-05 N/15mm > 1,0 ≥ 1,0
Overview n°5, 11/30/07 - page 9/11
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In this structure, the cold-seal can be applied in line or out of line.The importance of this duplex is given by the use of the metallised PET, that guarantees an excellent barrier to oxygen and to light, as well as to water vapour for the presence of the OPP layer.This structure has a good rigidity and can be used for snack bars, or for the over-wrapping of biscuits in thermoformed containers.
STRUCTURES STRUCTURES - continued
STRATIGRAPHY µm g/m²
BOPP 20 18,20
Inks (coverage 100%) 1 1,00
Adhesive 2 2,60
Metallised PET /or Metallised COEX OPP (both side treated)
1220
16,8018,20
COLD-SEAL 3 3,00÷5,00
PROPERTIES METHOD UNIT VALUE TOLLERANCE
ADHESION STRENGTH ASTM 904-98 N/15mm > 0,80 ≥ 0,80
SEAL STRENGTHT: 25°C / P: 4bar / t: 0,5sec.
ASTM 88-05 N/15mm > 1,0 ≥ 1,0
Overview n°5, 11/30/07 - page10/11
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In this structures the cold-seal is applied on 100% of the reverse surface.
Mainly used for the wrapping of cards, the PAPER allows the tearing opening, while the total cold-seal application helps the wrapping because of the immobility of the contents.
STRUCTURESSTRUCTURES - continued
STRATIGRAPHY µm g/m²
Inks (coverage 100%) 1 1,00
SLEEKED PAPER 48 ÷55 50÷55
COLD-SEAL 3 3,00÷5,00
STRATIGRAPHY µm g/m²
Release varnish (coverage 100%) 1 1,50
Inks (coverage 100%) 1 1,00
COEX PP 25 22,75
COLD-SEAL 3 3,00÷5,00
PROPERTIES METHOD UNIT VALUE TOLLERANCE
ADHESION of inks & cold-seal NEO 115 % > 95 ≥ 95
SEAL STRENGTHT: 25°C / P: 4bar / t: 0,5sec.
ASTM 88-05 N/15mm > 1,0 ≥ 1,0
also available on our Internet site www.neophane.it starting Jan.31st
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OverviewOverview
Next step on January 31st, 2008
66high barrier,
powders, liquid and coffee
