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1.Epoxy glass cloth laminated sheet 3240 Epoxy glass sheet.2.3240 Epoxy glass sheet are made of alkali-free E-glass cloth impregnated with epoxy resins and phenolic resins by processing under heat and pressure.3.3240 Epoxy glass sheet with high mechanical and electrical properties.4.3240 Epoxy glass sheet are widely used transformers, electric motors, cabinets, control boxes, electric switches, household appliances, railway, automobile, computer and medical appliance,etc.5.3240 Epoxy glass sheet of size: Area:1020x2040mm (40"x80");1220x2440mm(48"x96") Thickness:0.5-100mm (0.020"-3.94")6.Gained the ISO9001 certificate.
Item | Unit | Value |
Density | g/cm3 | 1.70-1.90 |
Martens heat resistance (LW) ≥ | oC | 200 |
Flexural strength ≥ Perpendicular to lamination parallel to lamination | MPa |
400 300 |
Tensile strength ≥ Perpendicular to lamination parallel to lamination | MPa |
350 250 |
Bonding ≥ | N | 5680 |
Impact strength ≥ Perpendicular to lamination parallel to lamination |
kJ/m2 |
150 100 |
Surface resistivity ≥ Under normal condition After impregnated in water |
Ω |
1×1013 1×1011 |
Volume resistivity ≥ Under normal condition After impregnated in water | Ω.cm |
1×1013 1×1011 |
Insulation resistance parallel to lamination ≥ Under normal condition After impregnated in water | Ω |
1×1010 1×108 |
Loss tangent, 50Hz ≤ | - | 0.05 |
Voltage endurance perpendicular to lamination in transformer oil at 90±2oC ≥ Thickness 0.5-1 mm Thickness 1.1-2 mm Thickness 2.1-3 mm | kV/mm |
22 20 18 |
Voltage endurance parallel to lamination in transformer oil at 90±2oC ≥ | kV | 30 |
Epoxy glass cloth laminated sheet 3240 Epoxy glass sheet