G10 VS G11 Epoxy Fiberglass Tube

Time: 07-31 2025 Auther: Ztelec group

Difference Between G10 and G11 Epoxy Tubes G10 and G11 epoxy tubes are both made by rolling fiberglass cloth impregn...

Difference Between G10 and G11 Epoxy Tubes

G10 and G11 epoxy tubes are both made by rolling fiberglass cloth impregnated with epoxy resin under heat and pressure. While they share a similar base structure, they differ significantly in performance characteristics and application suitability.

G10 and G11 epoxy-fiberglass-laminated-tube

1. Heat Resistance Class

G10: Rated for Class B (130°C)

G11: Rated for Class H (180°C)

G11 maintains excellent electrical and mechanical properties under high-temperature conditions, making it more suitable for demanding thermal environments.

2. Resin System

G10: Uses standard epoxy resin

G11: Uses modified high-temperature epoxy resin

G11 offers superior thermal stability and better resistance to thermal aging.

3. Electrical Performance

G11 outperforms G10 in electrical insulation, especially under high temperatures or humid conditions.

4. Cost and Economic Consideration

G11 is more expensive than G10 in terms of material and processing costs.

G10 is cost-effective for environments below 130°C, while G11 is recommended for continuous high-temperature operation.

epoxy fiberglass tube

5. Typical Applications

Application Area	G10 Epoxy Tube	G11 Epoxy Tube
Standard Motors/Transformers	Suitable	More suitable for high-temperature versions
Electronics Support	Commonly used	Better for internal support in hot devices
Aerospace & Military	Less common	Often used in high-temp, high-insulation environments

Summary Comparison Table

Comparison Aspect	G10	G11
Heat Resistance Class	Class B (130°C)	Class H (180°C)
Resin System	Standard epoxy resin	High-temperature modified epoxy resin
Electrical/Mechanical Performance	Good	Better, especially at high temperatures
Cost	Lower	Higher
Application Suitability	General/moderate environments	High-temp/demanding environments

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