| abstract |
A kind of core level cable jacket material, is made up of the following component according to weighing scale: ethylene-vinyl acetate copolymer 30-50 part; Ethylene-propylene rubber(EPR) 50-70 part; Silicon rubber 5-10 part; Magnesium hydroxide 70-90 part; Boron nitride 5-10 part; Oxidation inhibitor 4-12 part.Core level cable jacket material of the present invention uses the radiation dose applying 2400KGy after 60 years again at 90 DEG C of temperature, restrictive coating is without peeling off, flame retarding efficiency is high, addition is little, be uniformly dispersed, can not reunite, while meeting material mechanical performance, by single vertical burning (bunchy category-B) test. |