3240 Epoxy Phenolic Glass Cloth Laminated Sheet

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3240 Epoxy Phenolic Glass Cloth Laminated Sheet

It is laminated by pressing plate machine with alkali-free glass cloth impregnated by epoxy resin and phenolic resin. Its heat-resistant is Class B(130℃) ,and it widely apply to transformer, motor, control box and so on with good dielectric properties, mechanical properties and wet resistant properties. We can also produce all kinds of insulating parts with epoxy phenolic glass cloth laminated sheet as customer’s requirement.

 Epoxy phenolic glass cloth laminated sheet
NoItemUnitValue
32403240B3240C
1Sandard–GB1303-77QB
2Densityg/cm31.7-1.91.8-2.01.8-2.0
3Martens heat resistance℃200200200
4Flexural strength perpendicular to laminations ≥Mpa340300280
5Bonding strength ≥N560050004800
6Impact strength parallel to laminations (charpy) ≥KJ/m2333028
7Lose factor(48-62Hz) ≦–0.05––
8Relative permittivity 48-62 Hz ≦–0.5––
9Voltage endurance perpendicular to lamination,in oil 90±2℃ ≥ 在90±2℃
Thickness:
0.5-1.0mm
1.1-2.0mm
2.1-3.0mm		Kv/mm
22
20
18
–
–
13.5
–
–
8.0
10Voltage endurance parallel to lamination,( in oil 90±2℃)≥
在90±2℃		kv302625
11Insulation resistance after impregnated in waterΩ5×1081×1081×108
12Temperature Index℃155155155

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