▎ 摘　　要

NOVELTY - Heat retardant power cable protective tube comprises polypropylene, nylon, maleic anhydride grafted ethylene-octene copolymer, acrylonitrile-butadiene-styrene copolymer, poly (ethylene terephthalate), nano-silica sol, graphene oxide, mesoporous silicon dioxide, nano calcium carbonate, wollastonite, nano aluminum hydroxide, nano-carbon fiber, trimethyl phosphate, zinc borate, expandable graphite, naphthenic oil, maleimide, antioxidant, lanthanum stearate, diethylenetriamine (3,4-dimethyl) benzyl sorbitol and 2,2-methylene - bis (4,6-di-t-butylbenzene yloxy) phosphate. USE - Used as heat retardant power cable protective tube. ADVANTAGE - The cable protective tube is flame retardant, heat resistance and has anti-aging performance with more durability. DETAILED DESCRIPTION - Heat retardant power cable protective tube comprises 100 pts. wt. polypropylene, 20-35 pts. wt. nylon, 3-12 pts. wt. maleic anhydride grafted ethylene-octene copolymer, 5-10 pts. wt. acrylonitrile-butadiene-styrene copolymer, 5-10 pts. wt. poly (ethylene terephthalate), 2-5 pts. wt. nano-silica sol, 2-10 pts. wt. graphene oxide, 3-10 pts. wt. mesoporous silicon dioxide, 3-12 pts. wt. nano calcium carbonate, 2-10 pts. wt. wollastonite, 1-5 pts. wt. nano aluminum hydroxide, 1-5 pts. wt. nano-carbon fiber, 2-10 pts. wt. trimethyl phosphate, 3-10 pts. wt. zinc borate, 2-9 pts. wt. expandable graphite, 1-2.5 pts. wt. naphthenic oil, 2-10 pts. wt. maleimide, 0.3-1 pts. wt. antioxidant, 2-8 pts. wt. lanthanum stearate, 0.1-0.5 pts. wt. diethylenetriamine (3,4-dimethyl) benzyl sorbitol and 0.1-0.3 pts. wt. 2,2-methylene - bis (4,6-di-t-butylbenzene yloxy) phosphate.