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Product name: 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) 830 850
Base material Glass fiber yarn
resin Unsaturated polyester epoxy
color white green
No. Item Unit Value
1 Density g/cm2 1.8-2.0 1.9-2.1
2 Water Absorption % ≤0.5 ≤0.5
3 Barcol hardness ≥50 ≥65
4 Tensile strength (parallel fiber direction) MPa ≥100 ≥500
5 Tensile modulus (parallel fiber direction) MPa ≥1.0*104 ≥1.0*104
6 Bending strength (vertical fiber direction) 23±2℃ MPa ≥150 ≥340
7 130℃ MPa ≥70 ≥180
8 Bending modulus(vertical fiber direction)   MPa ≥0.6*104 ≥0.6*104
9 Compressive Strength Parallel fiber direction MPa ≥250 ≥380
10 Vertical fiber direction ≥150 ≥180
11 Shear Strength   MPa ≥70 ≥70
12 Insulation resistance   Ω ≥1.0*1012 ≥1.0*1012
13 Surface resistivity   Ω ≥1.0*1011 ≥1.0*1011
14 Breakdown voltage in the fiber direction (in air)   KV ≥45 ≥50
15 Arc resistance   s ≥182 ≥300
16 Flammability   FV0 FV0
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