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Filament wound G10 fiberglass tube

Filament wound G10 fiberglass tube

Heat resistance rating: Class H
Wall thickness: ≥3mm
Size: d≤Ф50 d≥Ф50 customized
Density: 1.9-2.05
Color: Green

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Product introduction

The filament wound tube is made of high-quality glass fiber impregnated with ultra-low viscosity with high-temperature epoxy resin cross-wound that is subjected to hot pressing forming mold after baking to form a circular tube.Filament wound tube has high mechanical strength in hot state (hot strength retention rate more than 50%), stable electrical properties under high humidity and high dielectric properties. Filament wound tube are suitable for insulation structural parts in electrical equipment that can be used in transformer oil under humid conditions.

Filament wound G10 fiberglass tube

Filament wound tube video:

Filament wound tube parameter:

Executive Standard:GB-T 23100-2008 IEC61212-2006

Number Item Unit Value
1 Density G/Cm3 1.85-2.0
2 Flexural Strength At Perpendicular Lamination
(Under Normal)
MPa 400
3 Axial Compressive Strength MPa ≥150
4 Breakdown Voltage At Parallel Lamination
(Transformer Oil At 90℃)
Kv ≥40
5 Dielectric Strength At Perpendicular Lamination
(Transformer Oil At 90℃, 1mm)
KV/Mm ≥11.6
6 Surface Voltage Resistance After Damp Kv ≥12
7 Insulation Resistance After Immersion Ω 1.0×103
8 Dielectric Loss Factor(50Hz) ≤0.05
9 Water Absorption % ≤1
10 Partial Discharge PC ≤5
11 Thermal Index 180

Product Specification of Epoxy Fiberglass Filament Winding Tube

Name Unit Value
Minimum Wall Thickness Mm 3
Minimum Bore Size Mm 30
Maximum Bore Size Mm 600
Length Mm 1000-3000


Filament wound tube application:

Used in mechanical, electrical and electronic high insulation structure parts.
Used in high-performance electrical insulation requirements.
Chemical machine parts.
General machines parts and gear, generators, Pads, base, baffle.
Generator, transformer, fixture, inverter, motor
Electric insulation component.



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