Product Overview
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.
Core Advantages & Key Features
High Swelling Performance & Reliable Self-Healing: With a swelling index of ≥24ml/2g, the premium sodium bentonite absorbs water and expands rapidly to form a dense, viscous colloidal layer. It can automatically fill punctures, construction laps and foundation cracks, perfectly repairing minor damages and eliminating leakage risks.
4-6m Ultra-Wide Design & High Construction Efficiency: The optimized 4-6m wide specification greatly reduces splicing joints during laying, effectively lowering joint leakage hazards. It covers a larger area in single laying, significantly simplifying construction procedures and shortening the project cycle.
Permanent Anti-Seepage & Strong Adaptability: Made of pure natural inorganic mineral materials, the GCL features excellent aging resistance, corrosion resistance and temperature adaptability. It will not degrade or fail in complex buried environments, maintaining long-term stable anti-seepage performance with a super-long service life.
Easy Installation & Cost Saving: Lightweight, flexible and tough structure fits various base surface shapes. No heating, glue spraying or complex auxiliary processes are needed during construction, greatly reducing labor, construction and later maintenance costs.
Green & Pollution-Free: All raw materials are non-toxic and harmless, complying with international environmental protection standards. It causes no secondary pollution to soil, groundwater and surrounding ecological environment.
Application Scenarios
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.
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