Features of insulation crepe paper
Paper crepe is made of electric paper wrinkled with insulating paper, and are mainly used for the insulation wrapping materials of oil-immersed transformer inner wires.
Item | Unit | Unit |
tube Crepe Paper | Thickness | mm | 0.05 | 0.075 | 0.08 | 0.13 |
Tolerance | 0.35±0.05 | 0.48±0.08 | 0.60±0.10 | 0.80±0.10 |
Ash Content | % | ≤0.7 | ≤0.7 | ≤1.0 | ≤1.0 |
Mositure | % | 6.0~9.0 |
Ether extract | % | ≤0.3 | ≤0.3 | ≤0.4 | ≤0.5 |
PH |
| 6.5~7.5 |
Pollution Oil | % | <0.1 |
Tensile Strength | MD | KN/m | ≥1.96 | ≥2.60 | ≥3.0 | ≥3.3 |
CD | ≥1.30 | ≥1.96 | ≥2.3 | ≥2.7 |
Wrinkle degree | % | ≥50 |
Breakdown voltage in air | V/layer | ≥950 | ≥1000 | ≥1000 | ≥1000 |
Conductivity,water displacing liquid | mS/m | ≤8.0 | ≤8.0 | ≤9.0 | ≤10 |
Density | g/m2 | 60±10% | 110±10% | 110±10% | 130±10% |
