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fr4 g10 g11 3240 epoxy fiberglass sheet purchasing guide

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fr4 g10 g11 3240 epoxy fiberglass sheet purchasing guide

Time: 07-21 2025    Auther: Ztelec group

Epoxy sheet is a laminated sheet mainly made of epoxy resin adhesive and substrates such as paper, cotton, and cloth....

Epoxy sheet is a laminated sheet mainly made of epoxy resin adhesive and substrates such as paper, cotton, and cloth. There are many types of epoxy sheets, including 3240 epoxy sheet, FR4 epoxy sheet, G10 epoxy sheet, and G11 epoxy sheet. They have similar performance but differ in details. Do you know how to distinguish these epoxy sheets? This topic will explain in detail how to choose the right product according to the epoxy sheet.

epoxy fiberglass sheets

Material composition:

Product name Material composition Temperature resistance Flame retardant
FR4 sheet Electronic grade fiberglass cloth (7628) + epoxy resin 130℃ UL94-V0
G10 sheet 155℃ HB
G11 sheet 180℃ HB
3240 epoxy sheet Alkali-free fiberglass cloth + epoxy resin 130℃ HB

Product property:

Chinese name 3240
IEC EPGC202 EPGC203 EPGC306
NEMA FR4 G10 G11
Property
EPGC202 Performance similar to EPGC201, flame retardation increased to UL F-V0 level.
EPGC203 Performance similar to EPGC201, improved heat resistance, high mechanical strength at high temperature, excellent electrical and anti-static properties.
EPGC306 Performance similar to EPGC203, improved the resistance to electric trace.

Industry Application

Applications

Xujue Electrical Insulation material manufacturer

Xujue Electrical is a manufacturer focusing on the research, development, production and sales of electrical insulation materials with more than 65 years of production experience. We have provided special insulation materials resistant to ultra-high temperature and high pressure for China’s aerospace industry. Therefore, Xujue Electrical Materials are military-grade insulation materials. We provide multiple quality assurance systems and have won a large number of customers’ repeated purchases and trust.

technical process

 

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