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Impregnating Insulation Varnish Casting & Potting Resins Surface Coat Glass Fiber Wire Varnish Encapsulating Resins Structural Adhesive Balancing Clay Back

For Power Transformers

They cover the potting of small electronic components and the casting of large dry-type transformer coils. With good flow-ability and excellent insulation performance,they are especially characterized by low shrinkage and good crack resistance.

Product Code	Base Resin	Unique Characteristics	Viscosity @25℃ mPa·s	Mix Ratio	Cure Schedule	Flame retardant Grade	Thermal Conductivity（W/m·K）	Hardness	Thermal Class
R-381-D	Epoxy Resin	Vacuum cast resin, flexibility,anti-crack, easy to penetrate	700-1200 @80℃	100:100	80℃ @5h+100℃@ 4h+130℃@6h	——	0.6	85D	155℃
R-381-2	Epoxy Resin	Medium viscosity, fast curing, good adhesion, anti-crack	150000-250000	100:18~20	100℃@0.5h/23℃@12h	V-0	0.6	80D	155℃
R-381-3	Epoxy Resin	Low viscosity, anti-crack, low shrinkage, shiny surface	8000-30000	100:20~25	23℃@12h/80℃@1h	V-0	0.5	80D	155℃
R-381-35	Epoxy Resin	Non-filled and self-drying product ,high stiffness ,good for water pump cable sealing	2300-3300	100:45~50	23℃@2h	——	——	80D	130℃
R-381-4 Enhanced	Epoxy Resin	Filling aluminium casting water pumps	15000-21000	100:10	23℃@12h	——	0.5	70D	130℃
R-381-4 Enhanced	Epoxy Resin	Potting shielded pump	5500-7500	100:17	23℃@12h/80℃@1h	V-0	0.7	75D	155℃
R-381-42	Epoxy Resin	High strength, low curing shrinkage, low CTE(Coefficient of Thermal Expansion)	40000-90000	100:10	80℃@2h+120℃@2h	V-0	0.9	85D	180℃
R-381-47	Epoxy Resin	High thermal conductivity, medium viscosity, excellent liquidity, fast curing	100000-200000	100:7	80℃@2h	V-0	1.3	90D	155℃
R-381-48	Epoxy Resin	High thermal conductivity, medium viscosity, excellent liquidity, fast curing	30000-70000	100:7	80℃@2h	V-0	1.5	90D	155℃
R-381-4DZ	Epoxy Resin	Excellent liquidity, high thermal conductivity, flame retardant, anti-crack	6000-35000	100:13	23℃@12h/100℃@1h	V-0	0.9	80D	155℃
R-381-5	Epoxy Resin	Excellent liquidity,fast curing,good flexibility,high hardness,low modulus	8000-12000	100:16	23℃@12h/100℃@1h	V-0	0.7	75D	155℃
R-381-6	Epoxy Resin	Excellent processability, medium curing speed	8000-12000	100:18	80℃/2h	——	0.5	80D	130℃

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