Package includes: 2 pieces with a length of 500mm

FR4 is pronounced that way verbally, but the formal written model is FR-4
Fr-4 epoxy glass cloth laminate, according to the use of different purposes, the industry is generally called: Fr-4 Epoxy Glass Cloth, Epoxy board, Epoxy board, Brominated Epoxy board, FR-4, board, FR-4 reinforcing board, FPC reinforcing board, FLEXIBLE circuit board reinforcing board, FR-4 Epoxy board, flame retardant insulation board, FR-4 laminated board, Epoxy board, FR-4 light board, Fr-4 board, epoxy glass cloth board, epoxy glass cloth laminate, PCB drilling pad.
Main technical features and applications: Electric insulation performance stability, good flatness, smooth surface, no pits, thickness tolerance standard, suitable for application in high performance electronic insulation requirements of products, such as FPC reinforcement plate, PCB drilling pad, meson, board potentiometer carbon film printing, precision tour stars gear grinding (chip), precision test plate, electrical (electrical) equipment insulation stay clapboard, Insulation pad, transformer insulation board, motor insulation parts, grinding gear, electronic switch insulation board, etc.