Application: | High Voltage |
---|---|
Type: | Insulation Sheet |
Chemistry: | Hybrid Insulation |
Material: | Fiberglass, Epoxy Resin |
Thermal Rating: | H 180 |
Maximum Voltage: | 20KV~100KV |
Customization: |
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No.
|
Test Property
|
|
Unit
|
Requirment
|
Test Result
|
Test Method
|
|
1
|
Vertical direction flexural strength
|
|
MPa
|
≥340
|
586
|
GB/T1303.2-2009
|
|
2
|
Tensile strength
|
Transverse
|
MPa
|
≥314
|
366
|
|
|
|
|
Longitudinal
|
|
≥216
|
344
|
|
|
3
|
Charpy impact strength(notched)
|
|
kJ/m2
|
≥33
|
54.3
|
|
|
4
|
Vertical direction dielectrical strength at 90°C±2°C in 25# transformer oil perpendicular to laminations (20s step-by-step
test,Φ25mm/Φ75mm cylindrical electrode) |
|
MV/m
|
≥11.8
|
13.4
|
|
|
5
|
Parallel direction breakdown voltage at 90°C±2°C in oil perpendicular to laminations (20s step-by-step test,Φ130mm/Φ130mm plate
electrode) |
|
kV
|
≥35
|
100
|
|
|
6
|
Relative permitivity(50Hz)
|
|
-
|
≤5.5
|
5.41
|
|
|
7
|
Insulation resistance after immersion in water
|
|
MΩ
|
≥5.0 X 104
|
4.4 X 106
|
|
|
8
|
Water absorption
|
|
%
|
≤0.71
|
0.04
|
|
|
9
|
Bonding strength
|
|
N
|
≥5600
|
8212
|
GB/T1303.6-2009
|
|
10
|
Rockwell hardness
|
|
-
|
≥M69
|
M107
|
GB/T 3398.2-2008
|
|
11
|
Glass transition temperature(DSC)
|
|
°C
|
≥130
|
134
|
GB/T 22567-2008
|
|
12
|
Thermal stability(200°C±2°C/1h)
|
|
-
|
No delamination, no foaming and no cracking
|
Pass
|
|
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