|
Number |
Item |
Test Condition |
Unit |
Target value |
|
1 |
Gravity |
In normal |
g/㎝² |
2.2～2.3 |
|
2 |
Water Absorption |
Soaking in Distilled water of20±2℃ for 24 hours. |
% |
≤0.02 |
|
3 |
Operating Temperature |
High AND Low Temperature Oven |
℃ |
-50～+260 |
|
4 |
Heat Conduction Coefficient |
|
Kcal/m.hour℃ |
0.8 |
|
5 |
Linear Expansion Coefficient |
Arise of 96℃ in Temperature/hour |
×1 |
≤5×10-5 |
|
6 |
Shrinkage |
To be boiled in Boiling water for 2 hors. |
% |
0.0002 |
|
7 |
Surface Insulation Resistance |
500V direct current |
normal |
M.Ω |
≥1×10-4 |
|
const damp and hot |
≥1×10-3 |
|
8 |
Bulk Resistance |
In normal conditio |
MΩ.cm |
≥1×10-6 |
|
const damp and hot |
≥1×10-5 |
|
9 |
Resistance Between Plugs |
500V direct current |
In normal conditio |
MΩ |
≥1×10-5 |
|
In constant damp condition |
≥1×10-3 |
|
10 |
Surface Electric Strength |
In normal conditio |
δ=1mm(kv/mm) |
≥1.2 |
|
In constant damp condition |
≥1.1 |
|
11 |
Dielectric Constant |
10GHz |
εr |
|
|
12 |
Dielectric Constant Tangent |
10GHz |
tgδ |
≤1×10-3 |
|
13 |
Heat Resistance |
A |
℃/W |
2.0 |
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