FR4 is a glass fiber epoxy laminate. It is the most commonly used PCB material. The glass transition (Tg) temperature of the material is between ******0°C. Self extinguishing By far the most often specified product produced from multiple layers of woven glass cloth impregnated with epoxy resin. It has superior properties to the other laminate sheets with a higher price tag. The glass transition (Tg) temperature of the material is between ******0 °C. This laminate is mainly used for plated through and multilayer functions. It is used in all types of electronic products including military space and advanced computer systems. Self extinguishing
