FR-4 (or FR4) is a NEMA grade designation for glass-reinforced epoxy laminate material. FR-4 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 the material complies with FR-4 is a common material for printed circuit boards (PCBs).
We've all heard the abbreviation FR4 being thrown about at some point when shopping for a PCB fab house, but what does it actually mean?.
Looking for online definition of FR4 or what FR4 stands for? FR4 is listed in the FR4, Flame Retardant 4 (printed circuit boards) Laser PCB prototype system.
The FR4-PCB Connection, How to Select FR4 Thickness, When to Use meaning a variety of sheet materials and designs fall under the FR4.
Gail Gail, FR means “Flame Retardant” and 4 means fiber glass epoxy. This term is used Here is some of the detail: FR4 laminate is the usual.
Our Material Library provides links to data sheets for many of the more popular PCB materials we offer; RF, Polyimide and FR4 material. This is by no means an .
FR stands for Fire Retardant. FR4 is a glass fiber epoxy laminate. It is the most commonly used PCB material. A mm FR4 uses 8 layers of () glass fiber .