Masking protective film is made of PE film/washiashi paper as the substrate, compounded with pressure-sensitive adhesive on the top. Mainly used for automobiles, ships, trains, cabs, furniture, and other products, such as paint spraying masking blocking paint, masking paint and upholstery, the product is divided into two kinds of high-temperature and room temperature (according to the product manufacturing process after spraying paint baking temperature environment is different). Effectively improve the efficiency of production, saving labor to improve the previous use of waste newspaper blocking paint will seep paint phenomenon.