Geosynthetic Clay Liners ，clay blanketsis called bentonite composite waterproof blanket (GCL), also known as bentonite waterproof blanket, waterproof mat, GCL waterproof mat and other bentonite composite waterproof blanket (GCL) which is a new type of geosynthetic material. It is a blanket waterproofing membrane made by mixing the natural sodium-based bentonite particles and the corresponding admixtures into raw materials, and fixing the bentonite particles between the geotextile and the plastic woven fabric through a needle punching process and equipment. The bentonite waterproof blanket has all the characteristics of geotechnical materials and excellent waterproof (permeability) properties.
clay blankets Features
1. The compactness
Sodium base bentonite under water pressure condition to form diaphragm with high density, thickness of about 3 mm, its permeability is & x 10 m/SEC 11 below, equivalent to 100 times the compactness of 30 cm thickness of clay, have very strong since the water retention performance.
2. Has a permanent waterproof performance.
Because sodium base bentonite is a natural inorganic material, even after a long time or the surrounding environment changes, also won't happen aging or corrosion phenomena, so the waterproof performance persistence.
3. Simple and short time of construction.
Compared to other waterproofing materials, construction is relatively simple, don't need to be heated and paste.With bentonite powder and nails, washers, etc are connected and fixed.After construction does not need special inspection, if it is found that the waterproof defects and easy to maintenance.GCL is existing waterproof material in construction period of the shortest.
4. Is not affected by temperature.
In cold climates will not brittle fracture.
5. Green environmental protection.
Bentonite as natural inorganic material, non-toxic harmless to human body, no special effects to the environment, have good environmental performance.
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