FR4 is a material made of glass fiber and epoxy resin, which has good insulation performance, mechanical strength and heat resistance. During the processing, the raw materials need to be processed and...
FR-4 is a flame retardant material grade code, representing a composite material based on epoxy resin and glass fiber cloth, which is widely used in PCB manufacturing and electronic insulation. FR-4 i...
FR is a material category for fiberglass reinforced epoxy laminates. FR-4 material is a reinforced epoxy laminate made of epoxy resin and flame-retardant fiberglass fabric. It is a self-extinguishing ...