Copper felt(blanket) Color: white copper felt sheet blue copper felt sheet Material: copper line which weaved on silica gel or asbestos Specification: 4'*8' 5'*8' 6'*8' 6'*10' 6'*9' 6'*12' Thickness: 2mm to 4mm Or other dimensions as per buyer's request Fuction: used on hot press machine, put between the hot conduct panel and steel press plate,to protect the hot conduct panel and press plate, coordinate the pressure of plate,make hot average on the surface of laminate, to make good quality