| abstract |
The invention provides a formula of a cable insulating layer coloring agent, which comprises, by mass, 20-25 parts of zinc stearate, 8-15 parts of butanediol, 4-8 parts of methyl cellulose, 8-12 parts of polytetrafluoroethylene, 6-10 parts of a crosslinking agent, 4-8 parts of an anhydrous auxiliary agent, 2-3 parts of a catalyst, 4-6 parts of acetic acid, 8-12 parts of a leveling agent, 14-20 parts of sodium sulfate, 8-14 parts of disodium hydrogen phosphate, 40-70 parts of sodium dihydrogen phosphate, 15-20 parts of sodium hydroxide, 10-60 parts of sodium carbonate, 15-25 parts of urea, 8 parts of a coloring agent, 40-60 parts of trifluoro-chloropyrimidine dye, 50-80 parts of polypropylene sulfone dye, 40-80 parts of α -bromo-acrylamide reactive dye and 12-16 parts of sodium chloride. |