▎ 摘　　要

NOVELTY - The polyvinyl chloride roofing material comprises polyvinyl chloride, 20 pts. wt. nitrile rubber, 3-5 pts. wt. plasticizer, 2-5 pts. wt. heat stabilizer, and 1-3 pts. wt. graphene microchip. USE - Polyvinyl chloride roofing material for automobile. ADVANTAGE - The polyvinyl chloride roofing material in a simple, stable, cost-effective and eco-friendly manner with effectively improved anti-aging performance and good application prospect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing polyvinyl chloride roofing material, which involves: (A) weighing raw materials according to proportions; (B) adding polyvinyl chloride, plasticizer, heat stabilizer and graphite in a high-speed mixer for 5-10 minutes; and (C) adding nitrile rubber added and blended melt in a two-roll mill at 160-170 degrees C for 8-15 minutes to obtain the roofing material. DESCRIPTION OF DRAWING(S) - The drawing shows a graphical representation depicting mass loss rate of the polyvinyl chloride roofing material for automobile. (Drawing includes non-English language text).