Verified Company
Ningbo Leadwin International Trade Co., Ltd.
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1.Description: 3240 Epoxy glass sheet 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.Specifications:
a) Thickness: 0.2-120mm
b) Width x length:1,020 x 1,220mm; 980 x 1,980mm; 1,000 X2,000mm; 1,200X2,400mm, 1220x2440mm
3. standard color: yellow, green ,black,red, We can also offer other colors according to the requirements of customers .
4. Applications: it is used for the insulating spare parts of electrical appliances and transformers.
3240 Epoxy glass Laminated sheet 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,it is used for the insulating spare parts of electrical appliances and transformers.
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 | |