Products
Contact Us
- Contact Person : Mr. yan jingtao
- Company Name : Mingqun Optoelectronics Technology Co., Ltd.
- Tel : 86-536-5269708,15206367599
- Fax : 86-536-5269708
- Address : Shandong,shouguang,shougang city
- Country/Region : China
phenolic cotton cloth sheet
Product Detailed
Related Categories:Insulation Materials & Elements
1>materials: phenolic+cotton cloth
2>thickness;1mm-----120mm
3>size;1020*2040 /980*1980
product technology
Properties | Unit | Grade | ||||
3025 | 3025B | 3025C | 3025D | |||
Flexural strength perpendicular to laminations | ≥ | MPa | 100 | 90 | 70 | 120 |
Impact strength parallel to laminations (Charpy) | ≥ | kJ/m | 8.8 | 7.8 | 5.0 | — |
Bonding strength (≥10mm in thickness) | ≥ | N | — | 5500 | 5500 | — |
Dielectric strength perpendicular to lamination (in 90±2°C transformer oil, 1mm in thickness) | ≥ | kV/mm | 0.82 | — | — | — |
Breakdown voltage parallel to laminations (in 90±2°C Transformer oil) | ≥ | kV | 1 | — | — | 14(20±5°C) |
Permittivity (48-62Hz) | ≤ | — | — | — | — | — |
Insulation resistance after Impregnated in water(D-24/23) | ≥ | Ω | 1×106 | — | — | 1×107 |
Density | g/cm | (1.30-1.40) | ||||
Water absorption (D-24/23, 1.6mm in thickness) | ≤ | mg | 220 | — | — | 200 |
Color | Natural | |||||
Reference standard | Q/TXXFR001-2009 | |||||
phenolic cotton cloth sheet
Other products
