Communication cable insulation for concentrated masterbatch Instructions for use: The masterbatch is my company according to R E A technical standards, the use of high-quality imports, domestic raw and auxiliary materials, the use of twin-screw extrusion equipment in the sealed state of ultra-clean production. Color and l E C-3 O 4 standard, and has good heat resistance, resistance to migration, chemical resistance and electrical properties, suitable for a variety of extrusion process. Masterbatch dilution ratio 1: 5 O ~ 8 O. Products by the national authority of the testing department, in line with the following indicators: