▎ 摘　　要

NOVELTY - Super-strong power communication tube comprises polypropylene resin, ethylene propylene diene rubber, silane coupling agent, antioxidant, dispersant, plasticizer, flame retardant, stabilizer, lubricant and 9-13 wt.% modified calcium carbonate is lipophilic modified calcium carbonate. USE - Used as super-strong power communication tube. ADVANTAGE - The super-strong power communication tube has higher ring rigidity and tensile performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing super-strong power communication tube, comprising (i) mixing the polypropylene resin, ethylene propylene diene monomer rubber and graphene, adding into high speed mixer and stirring uniformly, where the heating temperature in the high speed mixer is 120-130degrees Celsius; (ii) adding modified calcium carbonate, dispersant, antioxidant and plasticizer, heating to 140-145degrees Celsius and stirring uniformly; (iii) adding silane coupling agent, flame retardant, stabilizing agent and lubricant, heating to 150-155degrees Celsius and stirring uniformly to obtain the mixed material; and (iv) injecting the mixed material into the plunger extruder, setting the temperature of the host as 170-175degrees Celsius, the mold temperature is 175-180degrees Celsius , the die temperature is 180-185degrees Celsius, extruding and molding and cooling.