Material: HDPE Good insulation performance Excellent impact resistance(in room temperature even minus 40 degrees) Melting point:130C Relative density:0.941-0.960 Good heat resistance and cold resistance Chemistry stability and mechanical strength are good High rigidity and toughness,environmental stress cracking resistance is also good Good waterproof steam Features: 1) Can bear chemical erosion. 2) A wider using temperature range and a longer using life. Application: It can be widely used in areas of garbage landfill, waste disposal, tail Preventing leakage in roadbed and rooftop. Additional proposal: our products are manufacturing according to China's national standard if you need other standered products, please inform us,we will product according to your requirements. If you need our products,please contact us, we assure you of our best services at all time. 25kg/bag.