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℃ |
| 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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