What is the material of aluminum protective film? The use of protective film is relatively common in the hardware industry. Some plates and pipes will be protected by a protective film to prevent scratches. Basically, products with smooth surfaces will use protective film, such as plastic, glass, Stainless steel, aluminum plate, etc. The base material of the protective film is also divided into various types, including PET, PE, PP, PVC, AR and so on. Aluminum protective film base material (PE) color: transparent, milky white, black and white, yellowish white, can also determine the color according to user requirements or model.