4-6m Wide High Swelling Self-Healing Sodium Bentonite Waterproof Blanket (GCL) for Permanent Anti-Seepage

Our wide-width self-healing sodium bentonite waterproof blanket (Geosynthetic Clay Liner, GCL) is a high-performance inorganic composite anti-seepage material. It is produced by encapsulating high-purity sodium bentonite between reinforced geotextiles via professional needle-punching technology, requiring no chemical adhesives. Featuring a standard width of 4-6m and a high swelling index of ≥24ml/2g, this product delivers excellent water-swelling performance and automatic self-repairing functions, providing stable, permanent and safe anti-seepage effects for large-scale engineering projects. As an eco-friendly and cost-efficient waterproof solution, it has been widely applied and recognized in global environmental and civil engineering fields.

Suitable for municipal landfill anti-seepage and closure, tailings pond lining, reservoir and pond anti-leakage, artificial lake and river course seepage prevention, tunnel and underground structure waterproofing, building foundation anti-seepage, highway and railway foundation protection, and various water conservancy and environmental protection engineering projects.