China Electrical Insulation 3025 Phenolic Cotton Cloth Laminate Sheet, Find details about China 3025 Phenolic Board, Laminated Board from Electrical Insulation 3025 Phenolic Cotton Cloth Laminate Sheet
Properties | Unit | Index Value | Fact Value | |
3025A(10 yarns) | 3025A(10 yarns) | |||
Density | g/cm3 | 1.30-1.45 | 1.43 | |
Flexural strength | MPa | ≥91 | 98 | |
Tensile strength | Mpa | ≥55 | 57.5 | |
Adhesive strength | N | ≥5500 | 6310 | |
Impact strength | KJ/M2 | ≥6 | 7.2 | |
Martens temperature | °C | ≥125 | 126 | |
Dielectric strength perpendicular to laminate (in 90°Ctransformer oil,) | 0.5-1mm | kv/mm | ≥4.0 | 4.6 |
1.1-2mm | ≥3.0 | 3.8 | ||
2.1-3mm | ≥2.0 | 2.2 | ||
Reference standard | Q/SSD001-2011 |
Properties | Unit | Index Value | Fact Value |
3026(32 yarn) | 3026(32 yarn) | ||
Surface | The surface is smooth, free of impurities and defects, allowing the minor abrasions | ||
Density | g/cm3 | 1.30-1.40 | 1.38 |
Flexural strength | MPa | ≥110 | direction 122 |
cross 93.5 | |||
Maximum absorption rate | % | 1 | 0.64(10mm) |
Adhesive strength | N | ≥5500 | 7400 |
Impact strength | KJ/M2 | ≥7.0 | 19.5 |
Dielectric strength perpendicular to laminate (in 90°C±2°Ctransformer oil, ) | MV/m | ≥0.5 | 8.5(3mm) |
Breakdown voltage Parallel to lamination (in 90°C±2°Ctransformer oil,) | kv | ≥1 | 20.5(10mm) |
Reference standard | JB/T8149.2-2000 |