
GM13 ASTM 100% Virgin High Density Polyethylene Waterproof Geomembrane Liner. ASTM GRI-GM13 Certified: Meets or exceeds all aspects of GRI GM13 standard for high quality performance. 100% Virgin HDPE Material: Made of finest quality virgin polyethylene resin with carbon black and antioxidants. Excellent UV Resistance: Specially formulated components ensure excellent resistance to UV radiation for exposed conditions. Cost Effective Solution: Far more cost effective than traditional concrete, asphalt, and compacted clay liners. Chemical & Puncture Resistant: Outstanding stress crack capacity, chemical resistance, and puncture/tear resistance. Customizable Dimensions: Length 50-200m, Width 1-8m, Thickness 0.2-3mm, and multiple color options available. Fast Deployment & Transport: Easy transportation and fast deployment compared to traditional lining materials. Professional After-Sales Service: 2-year warranty with professional installation support and long-term cooperation.