HDPE geomembrane 1,good waterproof, drainage, 2.0.2mm to 2.0mm 3,ASTM standard 4,ISO certificate HDPE ... ultraviolet radiation, oil and salt, alkali and corrosion resistance,2,high and low temperature resistance, non-toxicity, long operational lift ... power plant adjusting tank, industrial and hospital solid waste, etc.).2. Water conservancy (for example, anti-seepage, leakage blockage and ...