▎ 摘　　要

NOVELTY - Manufacture of polyethylene water supply pipe involves mixing high-density polyethylene and 12-20 wt.% wollastonite, adding 2-6 wt.% titanium dioxide, cold-mixing at 30-40 degrees C, adding 0.1-0.6 wt.% graphene, extruding in extruder, plasticizing, molding, cooling and shaping. USE - Manufacture of polyethylene water supply pipe. ADVANTAGE - The method enables simple manufacture of polyethylene water supply pipe with improved corrosion resistance, density, acid resistance, alkali resistance and oil resistance.