press paper insulation paper
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press paper insulation paper
Index item | unit | demand |
1.thickness tolerance(max.) | % | ±10 |
2.density | g/cm3 | 1.0-1.2 |
3.tensile strength(mix.)longitudinal | Mpa | 80 |
4. tensile strength(mix.)traverse | Mpa | 40 |
5. tensile strength(mix.) traverse after folding | Mpa | A B 35 40 |
6. tensile strength(mix.) longitudinal after folding | Mpa | 60 |
7.moisture content(max.) | % | 8 |
8.ash content(max.) | % | 1 |
9.electric break town strength(mix.) | A B | |
In oil 0.1.mm | 9 9 | |
0.15-0.25mm | KV/mm | 10 10 |
0.30-0.35mm | 10 - | |
0.40-0.50mm | 9 - | |
10. electric break town strength(mix.) | ||
In are after folding | A B | |
0.10-0.15mm | KV/mm | 7 7 |
0.20-0.25mm | 8 8 | |
0.30mm | 8 - | |
0.30-0.50mm | 7 - | |
11. electricity conductivity(max.) | 8 | |
12.PH of water extractives | Ms/m | 6-9 |