P1050 H class modified diphenyl ether impragnating varnish
1.Product instruction
  This product is made of diphenyl ehter modified high temperature resin,latent curative agent and accelerator.it displays higher heat resistance ,mechanical strength and electrical property with lower baking temperature and viscosity and convenient for usage.Varnish film has strong adhesive force after curing.it can be applied for impragnating insulation processing of F,H grade electrical appliance and motor windings.
2.Technological requirements:
No.
 Index name
Unit
 Index value
1
Appearance
Brown transparent or semi-transparent liquid
2
 Viscosity（4#cup25±2℃）
S
 20-40
3
 Solid content
%
 ≥50
4
 Volume resisitivity
Ordinary state
24h after soaking
180℃
MΩ.m
 ≥1×107
≥1×106
≥1×108
5
 Dielectric strength ,
ordinary state
24h after soaking
         180℃
MV/m
 ≥50
≥28
≥10
3、Technology reference
Preheat workpiece,run dry 0.5-1h under room temperature after impragnating varnish .hten solidify according to the following baking condition .
Baking temperature 140±5℃ 175±5℃
Curing time
 2-3 6-9
Accordingto workpiece size and requirements for varmish,curing time can be extended or workpiece can be impragnated twice.
Storage duration :6months under room temperature.
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