China Flexible Electrical Insulation Crepe Paper Tubes Insulation Material, Find details about China Insulation Crepe Paper Tube for Oil Transformer, 3mm Crepe Paper Tube for Transformer from Flexible Electrical Insulation Crepe Paper Tubes Insulation Material
Item | Unit | Thickness of raw material | ||||
0.05mm | 0.075mm | 0.08mm | 0.13mm | |||
Thickness of crepe paper | mm | 0.35±0.05 | 0.48±0.08 | 0.80.60±0.08 | 0.80±0.10 | |
Ash content | % | ≤ 0.7 | ≤ 0.7 | ≤ 1.0 | ≤ 1.0 | |
Moisture | % | 6.0-9.0 | ||||
Diethyl ether | % | ≤0.3 | ≤0.3 | ≤0.4 | ≤0.5 | |
Water extract PH value | 6.0-8.0 | |||||
Polluted oil | % | ≤0.1 | ||||
Tensile strength | MD | KN/M | ≥1.96 | ≥2.6 | ≥3.0 | ≥3.3 |
TD | KN/M | ≥1.3 | ≥1.96 | ≥2.3 | ≥2.7 | |
Wrinkling | % | ≥ 50 | ||||
Breakdown voltage | V/layer | ≥950 | ≥1000 | ≥1000 | ≥1000 | |
Electric conductivity | ms/m | ≤8.0 | ≤8.0 | ≤9.0 | ≤10.0 |
No. | Index Name | Unit | Index | |
1 | Wrinkle Number | a /10mm Long | Number Required In Code | |
2 | Oil Suction Height | Portrait | mm/10min | ≥7 |
mm/60min | ≥30 | |||
Transverse | mm/10min | ≥20 | ||
mm/60min | ≥50 | |||
3 | Water Content | % | ≤8 | |
4 | Ash Content | % | ≤1 | |
5 | Conductivity Of Aqueous Extract | Ms/m | ≤10 | |
6 | Ph Of Aqueous Extract | - | 6-8 | |
7 | Electrical Strength | Mv/m | ≥20 |