Bubble Free Adhesion Flexibility, Steady Casting Epoxy Resin For Protect Transformer Core

Item

Unit

Test values

Organ chlorine

eq/100g<

0.02

Inorganic Chlorine

eq/100g<

0.001

Fugitive Constituent

%

0.5

Epoxy Value

eq/100g

0.24-0.28

Co lour

< 

3

Softening Point

°C

45-50

Ash

%

0.009

Density(25°C)

g/cm3

1.10-1.20

Acid Value

mgKOH/100g

0

Viscosity(25°C)

mPa.s

300-500

Viscosity Increment

(120°C×24h)

%

4

Gelatinizing Time(120°C)

min

102

Item

Unit

Test values

Operating Time(140°C)

min

112

Bending Strength

MPa

143

Impacting Strength

kJ/m2

13.5

Heat Distortion Temperature

°C

104

Arc Resistance

s

182

Comparative Tracking Index Mark

V

600

Electric Strength

MV/m

38

Linear Expansion Coefficient

×10-6/K

27.6

Volume Resistivity

RT

Ω-cm

1.1×1014