▎ 摘　　要

NOVELTY - Building formwork material comprises 10-15 pts. wt. glass fiber coated with graphene oxide, 60-70 pts. wt. fluorine-containing polysulfone polycondensate, 30-40 pts. wt. adamantyl sulfone based addition polymer, 1-3 pts. wt. catalyst, 1-3 pts. wt. anti-UV stabilizer, 1-3 pts. wt. lubricant. USE - Building formwork material. ADVANTAGE - The building formwork material has excellent mechanical properties, weather resistance and flame retardancy, easy processing and forming, repeated use, enables to provide safety and environmental protection. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparing a building formwork material involves adding the components to a high speed mixer, mixing uniformly, adding into a twin-screw extruder, melting, blending, extruding by the head, drawing, cooling,cutting, drying and packing, obtaining the building formwork material.