hdpe black granules for coating steel pipe

HDPE and MDPE Anti-corrosion and Insulation Layer Special Material Product Description HDPE and MDPE anti-corrosion, insulation layer special material (LY001) is an extrusion level polyethylene mixture specially designed for anti-corrosion and insulation of metal pipes. It is prepared by a twin-screw extruder using high-grade extrusion level high density polyethylene resin or medium density polyethylene resin as main raw material and adding high-quality antioxidants, ultraviolet protector, carbon black and other additives in the process of production. Its performance reaches PE80 level. The product meets the requirements of retaining layer polyethylene material in the standard of SY/TO4B-2002 promulgated by the Ministry of Petroleum. The performance meets the requirement of similar materials in the world. The material has excellent environment stress cracking resistance performance, long-term thermal stability, UV stability, good chemical stability, and also good processing properties. The product is widely used in anti-corrosion insulation works such as extrusion-coated steel pipes, heat pipe jacket, and so forth.