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Epoxy resin 8088AB
1. Instructions for use
The raw materials used in 8088A/B two-component liquid epoxy resin with filler are imported Shell bisphenol A resin, methyl hexahydroacid anhydride curing agent, and domestic silicon micropowder, which are processed and reacted. The product has advanced technological performance and good mechanical, electrical and heat dissipation performance. Applicable to: Casting of dry-type transformers, dry-type reactors, special transformers, etc.
2. Characteristics
|
main agent8088A
|
Hardener8088B
|
||
| color | big red or coffee |
reddish brown or dark green
|
White |
|
Viscosity40℃（mpa.s）
|
3100~4200
|
3200~4300
|
1500~1900
|
|
density20℃（g/cm3）
|
1.60~1.65
|
1.50~1.55
|
|
3. Performance
①Low resin viscosity and strong penetration
② Long storage time at 25℃~60℃
③ Small shrinkage
④Low heat dissipation response
⑤Strong resistance to cracking and low partial discharge
⑥ Less sediment
4. Mixing ratio
A:B=1:1
Five, pouring process: conventional vacuum pouring system
| object temperature |
（℃）
|
65
|
|
Viscosity70℃
|
（mpa.s）
|
600~850
|
| mold temperature |
（℃）
|
75~80
|
| pressure |
（Mpa）
|
5~10
|
Six, curing conditions
Pre-curing: temperature/time (℃/h) 80/6 100/3
Post-curing: temperature/time (℃/h) 130/6
7. Characteristics after curing
| Gravity Strength |
Mpa
|
80~120
|
| Elasticity coefficient |
Mpa
|
8000~10000
|
| tensile strength |
Mpa
|
80~90
|
|
Elongation at break
|
％
|
1~2
|
|
density
|
（g/cm3）
|
1.8~1.9
|
|
glass transition temperature
|
（℃）
|
75℃~85℃
|
|
Thermal elongation coefficient
|
（105/1c）
|
30~35
|
|
thermal conductivity
|
（W/mk）
|
0.8~1.0
|
|
surface resistance
|
（Ω）
|
1014
|
|
Specification Volume Resistivity
|
（Ω/cm）
|
105 |
|
water absorption％
|
24n/RT
|
<0.1
|
Eight, matters needing attention
The process data listed above are for reference only. In the process of using this product, the process conditions are cured according to your own manufacturing equipment. If you have any questions, please contact our company in time.
9. Insulation class: F
10. Storage and Packaging
Should be sealed in the original packaging container, stored in a dry and ventilated place to avoid moisture, (shelf life: 6 months) 25 kg packaging (net weight)
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