FR-4 is the NEMA grade designation for glass reinforced expoxy laminate sheet ubers,rods and printed circuit boards(PCB). FR-4 is made of woven fiberglass cloth with an expoxy resin binder that is flame resistant (self-extinguishing).
Almost all electronics factory procurement staff have varied prices for the PCB confused,even though some have many years experience in PCB procurement staff has also not all understand there is a world going on,in fact,PCB prices are set by a variety of factors consisting of the following:
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IblueBoard specializeds in PCB prototpe, medium volume to mass production with Quick turn... Read MoreProduction Certification
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