... 2Environment friendly, flexible, flame-retardant polyolefin tubingApplicationKOSOO K-2 is environment friendly, flexible, flame-retardant, irradiated ... tubing. Unlike other typical flame-retarant tubings, K-2 is free of PCBs, PCPs, polybrominated biphenyls (PBBs ... to client requirement.ColorStandard: Black (-BK), white (-WH), red (-RD), blue (-BL), yellow (-YL), green (-GR)Nonstandard: Brown ...