|
1.General information
This epoxy glass fibre slot wedges are made from glass fibre as
a reinforcing material,imppregnated a powered epoxy resin,plasticizing
agent.It has good dielectric,mechanical strength and chemical resistance.
2.Technical data:
|
No.
|
Name
|
Unit
|
Index
|
|
1
|
Specific gravity |
g/cm2
|
1.8-2.0 |
|
2
|
Water absorptivity |
%
|
0.3 |
|
3
|
Tensile strength |
MPa
|
600 |
|
4
|
Bend strength |
MPa
|
700 |
|
5
|
Bend elastic modulus |
MPa
|
3500 |
|
6
|
Breakdown strength |
Ordinary state |
KV/mm
|
12
10 |
| After humidity |
|
7
|
Impact strength |
KJ/m2
|
160 |
|
8
|
Thermal expansion factor |
|
2×10-6 |
|
9
|
Specific heat |
|
2.4 |
|
10
|
Martin heat-resistance |
|
200℃ |
|
11
|
Heat stability
|
|
200℃ 24h no cleavage,no
blister after |
|
12
|
Volume resistance |
Ordinary state |
MΩ.m
|
≥1×105
≥1×103 |
| Sfter soaking |
|
13
|
Oil-resistance |
|
4h 120℃ |
|
