T133 Epoxy Phenolic Core Plate Varnish

This T133 Epoxy Phenolic Core Plate Varnish consists of high-class epoxy resin, phenolic resin and thinner. Its temperature classification is F, and it can be rapid-drying under 250oC~350 oC. The varnish film is hard, adhesive, oil-resistance, water-resistance, and with high dielectric strength. It is suitable for the insulation among silicon sheets of large or medium high-voltage motors and other electric appliances.

Specifications:
1.Appearance: transparent yellow to brown liquid
2.Viscosity, by viscosity cup 4 at 20A 1 oCi 18~22 s
3.Solid content, at 150A 2 oC for 2 hoursi a Y28 %
4.Curing time, at 180A 2 oCi a 40 min
5.Oil resistance, in transformer oil at 120A 2 oC for 24 hoursi not bubble, not shed
6.Electrical Strength: a Y50 MV/m
7.Volume resistivity, at 23A 2 oCi 1.0A 1012IC.m
8.Volume resistivity, at 155A 2 oCi 1.0A 109IC.m
9.Volume resistivity, humidified for 24 hours: 1.0A 1011IC.m
Product standard: IEC464 or GB/T1981
Painting process: Workpiece should be torrefied at 180A 2 oC for 40 minutes after the first painting, and then should be torrefied at 180A 2 oC for 2 hours after the second painting.
Storage: 12 months at room temperature
Package: 200kg/tank.