Construction Bentonite

Buy Construction Bentonite to improve soil stability, slurry performance, and waterproofing efficiency in civil engineering projects. This sodium bentonite delivers high swelling capacity, strong adhesion, and reliable sealing performance in foundations, retaining walls, and underground structures.

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Buy Construction Bentonite for Civil Engineering Projects

Buy Construction Bentonite as a smart solution for civil engineers, because this material provides high swelling capacity and strong adhesion. Therefore, it significantly improves structural stability in construction works. When bentonite contacts water, it swells and seals soil pores effectively. As a result, it performs exceptionally well in dam construction, foundation works, and retaining wall systems.
Moreover, using bentonite reduces overall project costs, since it minimizes the need for chemical additives. To explore similar materials, visit the Products and Applications page.


Technical Advantages of Construction Bentonite in Civil Engineering

Arka Powder sodium bentonite features a high cation exchange capacity (100–110 mEq/100 mg) and more than 86% montmorillonite content. Consequently, the produced slurry remains fluid while maintaining excellent mechanical strength.
In addition, high water absorption (600–650%) and swelling capacity of 22–25 ml/g improve mortar adhesion when in contact with soil and concrete. Therefore, this material suits grouting operations, sub-surface injection, and reinforced earth wall construction.
For more detailed technical insights, we recommend reviewing the Arka Powder technical catalog.


Application of Construction Bentonite in Waterproofing and Isolation

Due to outstanding colloidal behavior, construction bentonite forms a gel-like barrier upon water contact, which blocks moisture penetration paths. As a result, it is widely applied in landfill containment, tunnel waterproofing, underground walls, and deep foundations.
Furthermore, this solution reduces chemical consumption and therefore contributes to environmental protection and soil health preservation. For additional bentonite applications across industries, visit the Arka Powder Blog.


Chemical Analysis of Construction Bentonite

TiO₂ K₂O MgO Na₂O CaO Fe₂O₃ Al₂O₃ SiO₂
0.22% 1.3% 2.17% 3.39% 2.51% 2.26% 12.28% 63.85%

Technical Specifications

Water Absorption Swelling Moisture Granulation Montmorillonite Cation Exchange Capacity
600–650% 22–25 ml/g 4–5% Mesh 100 to 400 Above 86% 100–110 mEq/100 mg

For complete analytical details, download the technical product catalog.


Submit a Request to Buy Construction Bentonite

Finally, if you plan to Buy Construction Bentonite with consistent quality and competitive pricing, Arka Powder supplies this product in four mesh sizes: 100, 200, 300, and 400.
For technical consultation, submit a request via the Product Request page or contact us directly through company WhatsApp.

We also recommend visiting the About Us page to learn more about Arka Powder.

Analysis & Technical Specifications

TiO₂

0.22%

K₂O

1.3%

MgO

2.17%

Na₂O

3.39%

CaO

2.51%

Fe₂O₃

2.26%

Al₂O₃

12.28%

SiO₂

63.85%

Water Absorption

600–650 %

Swelling

22–25 ml/gr²

Moisture

4–5 %

Granulation

Mesh 100, Mesh 200, Mesh 300, Mesh 400

Montmorillonite

Above 86%

CEC

100–110 mEq/100g

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