Flame retardant thick wall tube is made of polyolefin flame retardant material by radiation modification. Products with thick wall flame retardant, high insulation and other excellent properties. It is mainly used for insulation protection of middle and terminal joints of high-voltage cables with flame retardant requirements, insulation protection of all kinds of buses, corrosion protection and wear resistance of various pipelines, etc. Product features - UV resistant - shrinkage temperature: 70 - Final shrinkage temperature: 125 - Service temperature: - 45 ~ 125 - Heat shrinkable ratio: 3:1 - Environmental protection standard: RoHS - Standard color: Black (other colors can be customize Huawoer Heat-Shrinkable Material Company, located in Guangdong-Hong Kong-Macao Greater Bay Area, which is one of the most dynamic area of China, also it's the hub of communication, have efficient transportation system and infrastructure. We focus on to offer the best quality and satisfactory service when establish, and now our customer all around the world include Asia, Europe and USA. We have our own factory and R&D center, to ensure the quality of the product. And our produce include heat shrinkable tube, dual wall heat shrinkable tube, mid wall heat shrinkable tube, silicone tubing, anti-skid pattern tube, PVDF, Teflon tube, marking tube, sylphon bellows, PVC tube, PU tube etc.. Which have UL, CSA, KEMA, SGS and CCC authentication certificate, ISO9001, ISO14001 and ISO/TS16949. We have sufficient stock can provide rapidly supply and also accept customized with your specific requirement, for example size, color, print, cut etc..