Specifications
Specifications1.thickness:0.2-200mm
2.Made from epoxy resin and fiberglass
3.1020x2040mm;1220 x 2240mm
4.Yellow,Green
Electrical Insulating fiberglass sheet 3240
1.Description: Epoxy glass cloth Laminated sheet 3240 created from electrical glass cloth that has been impregnated with epoxy resin under pressure and heat. With high mechanical strength and electrical properties,thermal-resistance
and moisture resistance,The grade is Class B
2 .standard color: yellow, green , We can also offer other colors according to the requirements of customers .
3. Applications: it is used for the insulating spare parts of electrical appliances and transformers.
4. Property: High mechanical performance under medium temperature, stable electrical properties under high temperature
Details technical data is available
Properties | Unit | Index Value | Fact Value |
3240-A | 3240-A | ||
Flexural Strength perpendicular to laminations | |||
A: under normal conditions | Mpa | ≥340 | 345 |
Impact Strength parallel to laminations (Charpy) | KJ/m2 | ≥33 | 34.5 |
Tensile Strength | Mpa | ≥300 | 300 |
Insulation Resistance after immersion in water (D-24/23) | W | ≥5.0×108 | 5.1×108 |
Dielectric Strength perpendicular to laminations | KV/mm | ≥10.2 | 10.4 |
Breakdown Voltage parallel to laminations | KV | ≥35 | 36.1 |
Permittivity (50Hz) | ≤5.5 | 5 | |
Permittivity (1MHz) | ≤5.5 | 5.1 | |
Dissipation Factor (50Hz) | ≤0.04 | 0.032 | |
Dissipation Factor (1MHz) | ≤0.04 | 0.032 | |
Water Absorption (D-24/23, 1.6mm | ≤mg | 34 | 21.5 |
Density | g/cm3 | (1.70-1.90) | 1.9 |
Color | — | Natural | Natural |
Reference Standard | — | GB/T1303.1-1998 | |
