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What is FR4? Flame Retardant 4 Explained in 2022
Sep.06.2022 Tags: flame retardant 4 Tags: fr4 Tags: PCB Tags: what is fr4
Fr4 stands for flame retardant 4. FR4 is a composite material that consists of two layers of fiberglass mat laminated to a tough, corrosion-resistant phenolic resin surface. It is standardized as EIA-481 by the Electronic Industries Alliance. Mechanical property data is available for FR4. There are several different grades. These grades are based on the […]