Bentonite blankets

Introduction of Bentonite Waterproof bentonite blankets (GCL)，GCL is a kind of impervious liner between CCL (on-site thick compacted clay impervious liner) and polymer material --- geo-membrane. It is mainly used in waste landfills, groundwater reservoirs, underground infrastructure construction and other projects in environmental engineering to solve the problems of sealing, isolation, and anti-leakage.

Features of bentonite blanket

     1. Compactness: Sodium-based bentonite forms a high-density diaphragm under water pressure. When the thickness is about 3mm, its water permeability is less than α? 10-11m / sec, which is equivalent to 100 times the compactness of 30cm thick clay. Strong self-retaining performance.
     2. Permanent waterproof performance: Because sodium-based bentonite is a natural inorganic material, even after a long period of time or the surrounding environment changes, there will be no aging or corrosion, so the waterproof performance is durable.
    3. Simple construction and short construction period: Compared with other waterproof materials, the construction is relatively simple and does not require heating and pasting. Just connect and fix with bentonite powder and nails, washers, etc. No special inspection is required after construction, and it is easy to repair if water-proof defects are found. GCL is the shortest construction period of existing waterproof materials.
    4. Not affected by temperature: It will not be brittle in cold climates.
    5. Integration of waterproof material and object: When sodium-based bentonite reacts with water, it has an expansion capacity of 13-16 times. Even if the concrete structure vibrates and subsides, the bentonite in GCL can repair cracks on the concrete surface within 2mm.

    6. Green environmental protection: bentonite blankets is a natural inorganic material, which is harmless and non-toxic to human body, has no special impact on the environment, and has good environmental performance.