feature:

1. Compactness: Na-based bentonite forms a high-density diaphragm under pressure. When the thickness is about 3mm, its water permeability is below 5×10-11m/s, which is equivalent to 100 times the density of clay with a thickness of 30cm. It has a strong Self-protection water performance.

2. Permanent waterproof performance: Due to the natural inorganic material mainly composed of sodium bentonite, even after a long time or changes in the surrounding environment, it will not age or corrode, so the waterproof performance is very durable.

3. Simple construction: Compared with other waterproof materials, the construction is relatively simple and does not require heating and pasting. Just connect and fix the bentonite powder with nails, washers, etc. No special inspection is required after construction, and it is easy to repair if defective water is found. GCL waterproof material has the shortest construction period among existing materials.

4. Temperature effect: No brittle fracture will occur in cold weather conditions.

5. Integration of waterproof materials and objects: sodium bentonite water has an expansion capacity of 20 to 28 times. Even if the concrete structure vibrates and settles, GCL bentonite can repair cracks within 2mm on the concrete surface.

6. Green and environmental protection: bentonite is a natural inorganic material that has no special impact on the environment and has good environmental performance

Table 1 - Nonwoven Geotextiles

Table 2 - Woven Geotextiles

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