The main features of polyvinyl alcohol fiber are high strength, high modulus, low elongation, wear resistance, acid and alkali resistance, good weather resistance, good affinity and bonding with cement, gypsum and other substrates, and are non-toxic and non-polluting , does not damage the human skin, harmless to the human body, is one of the new generation of high-tech green building materials. Polyvinyl alcohol, the raw material for the production of vibranium fiber, is a water-soluble high polymer with properties between plastic and rubber, and is widely used.