Fr4 Sheet Copper Clad
Fr 4 or fr4 is a nema grade designation for glass reinforced epoxy laminate material.
Fr4 sheet copper clad. Dupont pyralux fr products are acrylic based flame retardant copper clad laminates coverlays bonpdplys and sheet adhesives for products requiring ul rating. Copper clad laminate sheet use glass fiber cloth as substrate material immersed with epoxy resin bake into prepreg sheet combined several prepreg sheets single side or double sides with copper foil hot pressing curing then forming ccl. Copper clad g10 fr4 phenolic sheet. Fr stands for flame retardant and does not denote that the material complies with the standard ul94v 0 unless testing is performed to ul 94 vertical flame testing in.
Fr 4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant self extinguishing. Copper clad fr 4 sheet is used to created printed circuit boards. All are grade g 10 fr4 and meet ul 94v0 for flame retardance use carbide tooling to drill holes. Stock min order qty price.
Military specifications and underwriters laboratories ul ratings ul 94v0 mil i 24768. Copper clad fr 4 pcb laminate sheet this flame retardant copper clad laminate is made of continuous woven glass cloth impregnated with epoxy resin. Lead times may apply. Pyralux fr copper clad laminate coverlay bondply sheet adhesive.
We can provide sample. Drill holes of any size and etch your own circuit board design into copper clad boards. The substrate is made of fr4 which is a flame retardant version of g 10 material.