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Functions of Bentonite in Construction

Addtime:2026-07-13 Click:-

1、Waterproofing Engineering‌

Sodium bentonite is made into waterproof boards, water-stop strips and emulsified asphalt coatings. It swells 3-5 times when meeting water, forming a dense self-healing waterproof membrane, widely used in underground projects, roof waterproofing and artificial lake anti-seepage.

2、Foundation & Slope Stabilization‌

Mixed with backfill soil, it fills pores to improve soil compactness and bearing capacity, preventing uneven settlement. Bentonite mud provides lubrication and support for foundation pits and slopes, reducing collapse risks.

3、Concrete & Mortar Additive‌

It acts as a thickening and water-retaining agent, improving the workability of concrete, reducing dry shrinkage cracks, and enhancing the structural compactness and durability of the project.

4、Building Materials Production‌

It is used to produce lightweight wall materials, white cement and architectural coatings, improving the thermal insulation and sound insulation performance of buildings, and reducing production costs.

5、Pipeline Anti-corrosion & Backfilling‌

Used for backfilling underground pipelines, it plays the roles of shock absorption and anti-corrosion, effectively extending the service life of pipelines.


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