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Electrical insulation crepe paper is a high-performance insulation material based on high-purity cellulose, specially designed for transformers, motors and other high-voltage equipment. It has excellent flexibility, heat resistance and oil absorption to provide reliable insulation protection in extreme environments. Whether it's high voltage winding filling or a moisture barrier, this product can help extend equipment life and increase operating efficiency.
At the same time, electrical insulation crepe paper can be used as the base material of crepe paper tubes.
| ITEM | TYPICAL VALUES | MATTER OF FACT |
|---|---|---|
| Thickness (mm) | 0.35±0.05 | 0.334 |
| Length (mm) | ±20mm | 1005-1015 |
| Inner diameter | ±5% | +(0-4)% |
| Outer diameter | ±5% | +(0-4)% |
| Apparent density (g/cm³) | 0.75 to 0.85 | 0.82 |
| Moisture content (%) | 6.0 to 10.0% | 7.1 |
| PH water extract | 6.0 to 8.0 | 7.5 |
| Ash content (%) maximum | 1% | 0.43 |
| Tensile strength (MD/CD) | >1.3 / >1.96 KN/M | 1.56 / 1.90 KN/M |
| Crepe rate (%) | >50% | 62% |
| Conductivity (Ms/m) | ≤8.0 | 4.05 |
| Dielectric breakdown (volts) | 1000 | 1250 |










