FR4 glass fiber sheet for CCL base material China manufacturer
FR-4 (or FR4) is a grade designation assigned to glass-reinforced epoxy laminate sheets, tubes, rods and printed circuit boards (PCB). FR4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant (self-extinguishing).
"FR" stands for flame retardant, and denotes that safety of flammability of FR4 is in compliance with the standard UL94V-0. FR-4 is created from the constituent materials (epoxy resin, woven glass fabric reinforcement, brominated flame retardant, etc.) by NEMA in 1968. FR-4 Epoxy Fiberglass Sheet is a popular and versatile high-pressure thermoset plastic laminate grade with good strength to weight ratios. With near zero water absorption, FR-4 is most commonly used as an electrical insulator possessing considerable mechanical strength. The material is known to retain its high mechanical values and electrical insulating qualities in both dry and humid conditions. These attributes, along with good fabrication characteristics, lend utility to this grade for a wide variety of electrical and mechanical applications.
Why choose us 1.Professional brand new or used PCB equipments & products provider. 2.We will reply you for your inquiry in 24 hours 3.Delivery Date Guaranteed 4.The highest quality of service. We are responsible for you at any time from the beginning to the long term. 5.We offer services of machine operation training, making sure the machine is be renewed like new machine, parts replacement arrangements, operation consulting, etc.
Packaging & Delivery:
Packaging Details: Standard wooden case or according to customers' requirement
Delivery Time: Shipped in 7 days after payment
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