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What are the characteristics of FR4 sheet

Update:19-02-2021
Summary:

The FR4 board is made by laminating glass fiber cloth a […]

The FR4 board is made by laminating glass fiber cloth and epoxy resin for heating processing. The characteristics of the FR4 board we want are usually realized by additives. This is the same as the 3240 epoxy board, but FR4 The biggest attribute of the sheet is flame retardancy.

FR4 sheet overview

FR4 is an international name for the grade of flame-retardant materials. It means a kind of board that can be extinguished by itself under what kind of combustion conditions. Because of its very high insulation, FR4 flame-retardant board is used in the electrical circuit Many applications above.

FR4 sheet classification

There are many types of FR4 board classification, because the industry needs are different, the common ones are FR4 epoxy board/insulation board, epoxy resin board, FR-4, fiberglass board, fiberglass board, FR-4 epoxy resin board , Flame-retardant insulation board, FR-4 glass fiber board, epoxy glass cloth board, epoxy glass cloth laminate.

Most of the characteristics of the products under these plate classifications are that the insulation performance is relatively stable, the surface of the plate is smooth and has no dents, and the plate is also very flat, which is convenient for batch cutting. It is very suitable for many products with insulation requirements, such as Yuxing Wheel/electrical equipment partition/transformer partition/electronic switch, etc.

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