... protection, sanitation ( such as landfill, waste water treament, toxic and harmful chemicals disposal sites, storage of dangerous goods, industrial waste ... ,etc.)Water (such as impervious, stop water loss, and reinforcing of lakes, and the impervious, slope protection, etc.)Municipal projects (underground ... .s.pa)≥1500pass7The range of Temperature,°c≥50 Breeding special high quality hdpe Geomembrane