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GCL sodium bentonite waterproof blanket

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product description

 

The bentonite waterproof blanket consists of three layers. The upper and lower layers are respectively geotextiles, which are mainly used for protection and reinforcement, so that they have a certain overall puncture strength and tensile strength. The middle is a sodium-based bentonite layer, which consists of natural clay. It is made of mineral materials and has high expansion and high water absorption capacity. It has low water permeability when wet, and mainly acts as an anti-seepage. The bentonite waterproof blanket adopts the special acupuncture method. The special acupuncture process is to make the coarse fiber from the upper layer geotextile through the bentonite layer, fix it on the lower layer geotextile, and combine the three parts into one, effectively enhancing the bentonite waterproof blanket. The integrity of the bentonite waterproof blanket greatly enhances the shear strength and tensile strength, which allows the bentonite composite waterproof mat to be used alone or in combination with a compacted clay barrier or geomembrane.

 


 

Features

 

Density: Sodium bentonite forms a high-density diaphragm under water pressure. When the thickness is about 3 mm, its water permeability is α×10 -11 m/sec or less, which is equivalent to 100 times the compactness of 30 cm thick clay. Strong self-protection performance.

 

It has permanent waterproof performance: Because sodium-based bentonite is a natural inorganic material, it will not cause aging or corrosion even after a long period of time or changes in the surrounding environment, so the waterproof performance is durable.

 

Simple construction and short construction period: Compared with other waterproof materials, the construction is relatively simple and does not require heating and pasting. Simply connect and fix with bentonite powder and nails, gaskets, etc. No special inspection is required after construction, and it is easy to repair if it is found to be waterproof.

 

Not affected by temperature: it will not be brittle in cold weather conditions.

 

Integration of waterproof material and object: When sodium-based bentonite reacts with water, it has a swelling capacity of 13-16 times. Even if the concrete structure vibrates and settles, the bentonite in GCL can repair cracks on the concrete surface within 2 mm.

 

Green and environmental protection: Bentonite is a natural inorganic material that is harmless and non-toxic to the human body, has no special impact on the environment, and has good environmental protection.

 


 

 

 

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