1、Products Summarize： The products are made of electrical alkali-free glass cloth,impregnated with epoxy-phenolic resin,by processing under coiling and heat. 3640 tubes have high mechanical,heat resistance and dielectric properties.it is suitable for insulation structure parts in electric equipments.and it is also used in transformer oil and humid environment.
2、Technique Indicator：
S.N
Item Name
Unit
Technique Indicator
1
Specific Weight≥
1.40
2
Bending Resistant Strength≥
kgf/cm2
1800
3
Bending Resistant Strength≥
kgf/cm2
700
4
Bending Resistant Strength≥
kgf/cm2
150
5
Volume Resistance≥
Ω.cm
10
Normal
1012
After Soaking
1010
6
Parallel layer direction insulation≥
Ω
Normal
1010
After Soaking
107
7
Dissipation Factor 50HZ≤
0.030
8
Perpendicularity Breaking Strength In 90±2℃ transformer oil
KV
Withstand Voltage for 5 minutes
Wall Thickness：1.5mm
12
2.0mm
14
2.5mm
16
3.0mm
18
9
Parallel Withstand Voltage in 90±2℃ transformer oil Withstand Voltage for 5 minutes
KV
25
10
Surface Withstand Voltage after damp in normal air Withstand Voltage for one minute
