3240 epoxy phenolic glass cloth laminate parts
1.3240 parts has good mechanical & dielectric properties.
2.Resistance to high voltage.
3240 parts has high mechanical properties and dielectric properties.
3240 parts is widely used in electrical and mechanical equipment insulation parts.
Item | Unit | Value |
Density | —— | 1.70~1.90 |
Martens heat resistance (LW) ≥ | °C | 200 |
Flexural strength ≥ Perpendicular to lamination parallel to lamination | MPa |
350 260 |
Tensile strength ≥ Perpendicular to lamination parallel to lamination | MPa |
300 200 |
Bonding ≥ | N | 4000 |
Impact strength ≥ Perpendicular to lamination parallel to lamination |
kJ/m2 |
120 70 |
Surface resistivity ≥ Under normal condition After impregnated in water |
Ω |
1×1010 1×108 |
Volume resistivity ≥ Under normal condition After impregnated in water | Ω.cm |
1×1010 1×108 |
Insulation resistance parallel to lamination ≥ Under normal condition After impregnated in water | Ω |
1×107 1×105 |
Loss tangent,50Hz ≤ | ___ | 0.05 |
Voltage endurance perpendicular to lamination in transformer oil at 90±2°C ≥ Thickness:0.5-1mm Thickness:1.1-2mm Thickness:2.1-3mm | kV/mm |
16 15 12 |
Voltage endurance parallel to lamination in transformer oil at 90±2 °C ≥ | kV | 22 |
