We are offering hdpe insulator.About the hdpe insulator:hdpe pin insulator, also called:modified polyethylene insulator or high-density polyethylene insulator.it's has good heat resistance and cold resistance, good chemical stability, high rigidity and toughness, good mechanical strength, very good electrical performance, especially high insulation dielectric strength;can substitute porcelain insulator & can be recycled.it's a new material for transmission line.mainly applied in electrical syetem of 15kv, 25kv and 35kv.