Advanced Materials
Raising insulation performance in generators and motors
Quarter 2, 2013
Advanced Materials 2
Table of contents
Raising safety and performance Encapsulation and impregnation solutions for low and high voltage applications
Small motors Improved endurance for small motors
Solutions for high thermal conductivity
Solutions for fast processibility
Solutions for shock resistance
Generators and rotating machines VPI systems for all insulation processes
Solution for easy processing
Solution for heat resistance
Solution for tracking resistance
Powerful partnership between Huntsman and Isovolta
A reliable high performance electrical insulation system
Advanced Materials 3
Raising safety and performance
Encapsulation and impregnation solutions for low and high voltage applications
!! High mechanical strength !! Strong adhesion to various metals and substrates !! Excellent dielectric properties !! Low resin viscosity ensures homogenous impregnation !! Very high temperature resistance !! Withstand extreme thermal cycling !! The trend to an increased power !! Heat conductive
< Table of content Small motors > Generators / rotating machines > Raising performance > Partnership >
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Improved endurance for small motors
Main features and benefits !! Vibration damping !! High temperature resistance !! High service temperature
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Solutions for high thermal conductivity
Araldite® XB 2710 / Aradur® XB 2711
Aratherm® CW 2731
*estimated
Curing conditions Hot Tg ISO 11357-2 120°C CTE Below Tg / Above Tg 24 / 67 10-6K-1
Thermal class IEC 60085 H
Thermal conductivity at 25°C ISO 8894-1 1.5 W/mK
Flammability Class / Requirements UL 94 / V-0 (12 mm)
Curing conditions Hot Tg ISO 11357-2 165°C CTE Below Tg / Above Tg 24 / 48 10-6K-1
Thermal class IEC 60085 H*
Thermal conductivity at 25°C ISO 8894-1 3.0 W/mK
Flammability Class / Requirements UL 94 / V-0 (12 mm)
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Solutions for high thermal conductivity
Thermal conductive epoxy solutions
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Solutions for fast processibility
Araldite® CW 5725-3 / Aradur® HY 5726
*estimated
Araldite® XB 2252 / Aradur® XB 2253
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Curing conditions Hot Tg ISO 11357-2 144°C CTE Below Tg / Above Tg 35 10-6K-1
Thermal class IEC 60085 H*
Thermal conductivity at 25°C ISO 8894-1 0.6 W/mK
Viscosity at 60°C Class / Requirements 42 mPa.s
Curing conditions Cold Tg ISO 11357-2 68°C CTE Below Tg / Above Tg 60 / 100 10-6K-1
Thermal class IEC 60085 F
Thermal conductivity at 25°C ISO 8894-1 0.66 W/mK
Viscosity at 40°C Class / Requirements 2 300 mPa.s
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Solutions for crack and thermal resistance
Araldite® CW 229-3 / Aradur® HW 229-1
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Curing conditions Hot Tg ISO 11357-2 110 - 125°C CTE Below Tg / Above Tg 30 / 100 10-6K-1
Thermal class IEC 60085 H Thermal conductivity at 25°C ISO 8894-1 0.65 - 0.75 W/mK
Flammability Class / Requirements UL 94 / V-1 (12 mm), HB (4 mm), NF 16-101/102, I3F0/2
K1c 2.8 - 3.0 mPa.s/m2
G1c 70 - 750 J/m2
Mechanical properties Rigid
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Solutions for crack and thermal resistance
Araldite® CW 5730 N / Aradur® HY 5731
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Curing conditions Hot Tg ISO 11357-2 30°C CTE Below Tg / Above Tg 40 / 100 10-6K-1
Thermal class IEC 60085 F Thermal conductivity at 25°C ISO 8894-1 0.61 W/mK
Flammability Class / Requirements UL 94 / V-0 (6 mm)
K1c n.a.
G1c n.a.
Mechanical properties Flexible
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Solutions for crack and thermal resistance
Tensile modulus Emod in MPa (ISO 527-2)
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VPI systems for all insulation processes
Vacuum Pressure Impregnation (VPI) process steps !! Drying the winding !! Flooding with the impregnating system under vacuum !! Impregnating under pressure !! Draining the resin and removing the system to a storage tank !! Gelling and curing
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VPI systems for all insulation processes
VPI vs prepreg Depending on the size of the machine and the size of the impregnating plant the choice will be between either single bar or global impregnation. The majority of manufacturers have switched to Vacuum Pressure Impregnation, because VPI offers some advantages in mechanical and electrical properties compared to the prepreg method.
For example with global impregnation, in addition to the lower risk of voids, much better fixation of the coils and especially the end windings is possible.
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Solution for easy processing
Resin XD 4410
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Mix ratio One-component
Tg 125°C Thermal class F
Viscosity at 25°C 1 500 mPa.s
Manufacturing process Vacuum Pressure Impregnation
Key properties • One-component • Excellent dielectric properties
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Solution for high temperature resistance
Araldite® MY 790-1 CH / Aradur® HY 1102
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Mix ratio 100 / 90 - 120 pbw
Tg 143°C Thermal class H
Viscosity at 25°C 400 mPa.s
Manufacturing process Vacuum Pressure Impregnation
Key properties • Most widely used. Proven with all major mica tapes • Thermal class H • High Tg
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Solution for high tracking resistance
Araldite® CY 192-1 / Aradur® HY 918
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Mix ratio 100 / 100 pbw
Tg 92°C Thermal class F
Viscosity at 25°C 400 mPa.s
Manufacturing process Vacuum Pressure Impregnation
Key properties • Outstanding arc and tracking resistance • High flexibility • Crack resistance
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Powerful partnership with Isovolta
A reliable high performance electrical insulation system Insulation is the key for electrical power generation. We offer a reliable quality of insulation systems which is required for technical and economic success of power generation.
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In partnership with
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Powerful partnership with Isovolta
Main features !! Certified as combination of impregnation system and mica tape !! Solvent free !! Class H !! Tested and approved by Isovolta
Advantages
!! Mica tape and impregnation resin tested as system !! Thermal and electrical resistance !! Combined know how of two market leaders !! Proven performance of Araldite® and Poroband® / Porofab® brand
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In partnership with
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Keep our products at your fingertips
Download our mobile apps on your smartphone With these apps select immediately the right: !! Araldite® industrial adhesive for your specific need !! Araldite® composite formulated system for your process / application Access the product description or send us an email to request the technical data sheet.
Araldite® - Adhesives (Europe) Download on iPhone | Android
Huntsman - Composite resins (Europe) Download on iPhone | Android
View the brochure on SlideShare With this brochure get an overview of our comprehensive range of insulation systems for electronics applications.
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For more information
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