Jiaxing Rota-Ropa Insulating Material Co., Ltd.
Main products:potting resin,insulation material
Products
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  • Contact Person : Mr. shi Nikhi
  • Company Name : Jiaxing Rota-Ropa Insulating Material Co., Ltd.
  • Tel : 86-573-83188888
  • Address : Zhejiang,Jiaxing,Fengqiao
  • Country/Region : China

impregnating varnish of heat resisting polyester R-155

impregnating varnish of heat resisting polyester R-155
Product Detailed
impregnating varnish 1.thermal class F 2.good insulation performance 2.oil and arc resistance, 3.fast dry,shining film

impregnating varnish

1.made from amino resin, polyester resin and xylene etc.

2.used for small and medium type motor winding, transformer, ballast and other apparatus coil.

3. also suitable for hermetic motor.

4.Technical Data

Properties

Unit

Standard Values

appearance

Reddish brown liquid, uniform

without mechanical impurities

Viscosity, 23, Tu-4# cup

seconds

35-60

Solids content 105±2, 2 h

%

46±5

Drying time, 130±2

min

≤ 60

Acid number

mgKOH/g

≤ 10

Flexibility, 150±2, 30h

no crack

Curing in thick layer

Not worse than S1, U1, I4.2

Dielectric strength

At room

temperature

MV/m

≥80

After immersion

in water

≥60

Volume resistivity

At room

temperature

Ω.m

≥ 1×1012

After immersion

in water, 24h

≥ 1×1010

130±2

≥ 1×108

impregnating varnish of heat resisting polyester R-155



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