Fiberglass Laminate Board

Fiberglass Laminate Board

Fiberglass laminate board is a composite made of epoxy resin and woven fiberglass cloth. It offers excellent mechanical strength, electrical insulation, heat resistance, and low moisture absorption.

Common grades include:

FR4 – flame-retardant epoxy glass laminate, widely used in PCBs and electrical insulators.

G10 – similar to FR4 but without flame retardant, known for high strength and dimensional stability.

3240 – a Chinese epoxy glass cloth laminate, comparable to FR4, often used in structural insulation and transformer components.

Typical applications: electrical insulation, PCB substrates, switchgear, jigs, fixtures, and mechanical supports.

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