$48.78 / US pound
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VRI 777 solventless polyester varnish is a thixotropic semi-rigid resin system primarily for vacuum impregnation of both from wound and random wound motors. VRI 777 solventless polyester varnish is a thixotropic semi-rigid resin system primarily for vacuum impregnation of both from wound and random wound motors. Its high thermal capability coupled with its excellent electrical properties over a wide temperature range makes this resin suitable for AC and DC applications in the higher voltage ranges in both form wound motors and transformer.
Features
- Reduces number of VPI cycles
- Improve film build
- Low heat aging
- Virtually no emission
- Provides better mechanical resistance
- Withstands serve starting stresses
- Reduces internal heating
- Improved bond strength and wetting
- Provides additional safety margin
- Low volatility/reduced odor, reduces OSHA and EPA Concern
- Reduces shrinkage and internal stress
- Viscosity: 4000 to 5000 cps at 25 °C
- Gel Time: 15 - 30 min
- Viscosity: 4000 - 5000 cP
Applications
- Impregnat for Both Form and Random Wound Motors
- Transformer Impregnation
General Information
| Item Name | Polyester Resin |
| Trade Name | Von Roll |
| Series | 777C |
General Features
| Type | Solventless |
Design & Construction
| Color | Clear |
Performance Details
| Gel Time | 15 min |
Technical Details
| Flash Point | 113 °C |
Chemical Properties
| Viscosity | 4000 cP |
Electrical Properties
| Dielectric Strength | 2700 V/mil |
Physical Properties
| Container Size | 55.0 |
| Container Type | Tote |
Environmental Condition
| Temperature Rating | 180 °C |
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