Pure PTFE Film are used to reinforce the two sides of PTFE conveyor belt. As the colors, it can be sorted into three kinds: the red, the black and the white film. As PTFE mesh conveyor belt is brown or black, most of the customers prefer to the red and the black. The edge-reinforced film and PTFE belt can be pressed together in the condition of high temperature. The width of 40mm and 50mm is commonly used.