Encyclopedia : F : FR : FR2 (2 articles)

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FR-2
FR-2 is an abbreviation for Flame Resistant 2. It is a NEMA designation for a composite material made of paper impregnated with a plasticized phenol formaldehyde resin, used in the manufacture of printed circuit boards. Its properties are similar to NEMA grade XXXP (MIL-P-3115) material, and can ..

 

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