China Phenolic Paper Laminated Sheets (Bakelite Sheets), Find details about China Electrical Insulation Material, Thermoset Composite Laminate from Phenolic Paper Laminated Sheets (Bakelite Sheets)
NO. | PROPERTIES | UNIT | METHO DE | STANDARD VALUE | TESTING RESULT |
1 | Density | g/cm3 | ISO 1183 | ≥1.03 | 1.16 |
2 | Water absorption rate | % | ISO 62 | ≤8.0 | 7.6 |
3 | Bonding strength | MPa | ≥70 | 95 | |
4 | Flexural strength | MPa | ISO 178 | ≥ 50 | 81 |
5 | Compressive strength (Axial) | MPa | ISO 604 | ≥ 50 | 62 |
6 | Thermo stability(24h) | ºC | 120 | pass | |
7 | Dielectric strength perpendicular to laminations (withstand voltage) (in oil 90±2ºC) 2.0mm in thickness | kV/mm | IEC 60243 | ≥8.5 | 9.5 |
8 | Breakdown voltage parallel to laminations (in oil 90±2ºC) | kV | IEC 60243 | ≥ 25 | 36 |