Fiber Glass Winding Bar

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Fiber Glass Winding Bar








Description:It is made from non alkali glass fiber yarn impregnated with epoxy resin by the traction force under hot mold. It has rectangle, I-shaped, angular, T-shaped, groove-shaped, cylindrical, cylindrical and other shapes. Mainly used as electrical equipment insulation structure parts, screw machining parts, high voltage isolation switch.
 (Standard applied:JB/T 10943-2010)830850
Base materialGlass fiber yarn
resinUnsaturated polyesterepoxy
colorwhitegreen
No.ItemUnitValue
1Densityg/cm21.8-2.01.9-2.1
2Water Absorption%≤0.5≤0.5
3Barcol hardness–≥50≥65
4Tensile strength (parallel fiber direction)MPa≥100≥500
5Tensile modulus (parallel fiber direction)MPa≥1.0*104≥1.0*104
6Bending strength (vertical fiber direction)23±2℃MPa≥150≥340
7130℃MPa≥70≥180
8Bending modulus(vertical fiber direction) MPa≥0.6*104≥0.6*104
9Compressive StrengthParallel fiber directionMPa≥250≥380
10Vertical fiber direction≥150≥180
11Shear Strength MPa≥70≥70
12Insulation resistance Ω≥1.0*1012≥1.0*1012
13Surface resistivity Ω≥1.0*1011≥1.0*1011
14Breakdown voltage in the fiber direction (in air) KV≥45≥50
15Arc resistance s≥182≥300
16Flammability –FV0FV0

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