Calcium Bentonite
Calcium Bentonite Clay for Industrial Applications
CK supplies calcium bentonite for industrial buyers seeking mineral materials suited to their processing requirements. With product processing, specification discussions, and customized supply options, we help customers identify suitable calcium bentonite grades for different applications.
Industrial Mineral Supply
Processing Options for Different Requirements
Technical Data Available Upon Request
Looking for a Suitable Calcium Bentonite Grade?
Contact CK to discuss your application, required specifications, packaging preferences, and supply requirements.
What Is Calcium Bentonite?
Calcium bentonite is a naturally occurring clay material in which calcium is the predominant exchangeable cation. It commonly contains montmorillonite, a clay mineral belonging to the smectite group. Its properties depend on mineral composition, deposit characteristics, and subsequent processing.
Compared with sodium bentonite, calcium bentonite generally exhibits lower swelling capacity in water. Depending on its characteristics, it can be used in applications that require absorbent clay, mineral binding, or other application-specific functions.
For industrial buyers, selecting the right calcium bentonite involves more than identifying the mineral type. Particle size, moisture content, mineral composition, absorption characteristics, and other technical requirements should be evaluated according to the intended application.
CK works with customers to discuss their requirements and identify suitable product specifications for further evaluation.
Key Characteristics of Calcium Bentonite
Calcium bentonite offers a range of mineral characteristics that may be useful in different industrial processes. Its suitability depends on the mineral composition, physical properties, processing method, and quality requirements of each application. The following characteristics provide a starting point for evaluating calcium bentonite for industrial use.
Industrial Applications of Calcium Bentonite
Calcium bentonite is used in a variety of industrial applications because of its absorption, adsorption, and binding characteristics. The most suitable application depends on the grade, processing method, and required material properties. CK welcomes inquiries from industrial buyers looking for calcium bentonite for specific manufacturing and processing needs.

1. Absorbents & Cat Litter
Calcium bentonite can be processed into granular absorbent materials for moisture and liquid absorption. Particle size, dust content, and absorption performance are important selection criteria.

2. Foundry & Molding Sand
Bentonite is used as a bonding material in foundry molding sand. Buyers should evaluate bonding performance and compatibility with their sand system when selecting a calcium bentonite grade.

3. Industrial Absorbents
Selected calcium bentonite products may be used in absorbent materials for industrial liquids. Suitability depends on the material's absorption capacity and the intended operating conditions.

4. Filtration & Clarification
Selected calcium bentonite materials, including appropriately activated grades, are used in certain filtration, decolorization, and clarification processes. Treatment method and application-specific testing are essential.

5. Industrial Fillers
Certain bentonite grades can be used as mineral fillers or extenders in industrial formulations. Particle characteristics, compatibility, and the requirements of the final product should guide material selection.

6. Construction & Environmental Applications
Bentonite is used in selected construction and environmental engineering materials. For sealing or barrier applications, hydraulic performance must be verified for the actual soil conditions, fluid chemistry, and product formulation.
Calcium Bentonite Grades and Technical Specifications
Calcium bentonite requirements vary across industrial applications. Depending on the intended use, buyers may need to evaluate mineral composition, moisture content, particle size, pH, absorption characteristics, and other relevant technical parameters.
CK can discuss available product information with customers to help determine whether a calcium bentonite grade meets their requirements. Technical specifications and test results should be confirmed against the relevant product data and inspection records before an order is placed.
Technical Parameters to Evaluate
Mineral Composition: Relevant mineralogical and chemical characteristics.
Particle Size: Required fineness or granule size, depending on the product.
Moisture Content: The moisture level specified for the intended application.
pH Value: Evaluated where relevant to the manufacturing process.
Absorption Performance: Assessed for applications requiring liquid or moisture absorption.
Other Requirements: Additional parameters defined by the buyer’s technical specification.
Properties & Typical Test Results
| Properties | Unit | Result |
|---|---|---|
| Aspect | — | White / yellow color |
| Liquid Limit | ml / 100 gm | 550 – 600 |
| Moisture Content | % by Wt. | 12.0 Max |
| Mesh Size | 8000 – 10000 | 10000 |
| Free Swelling Volume (2 gm / 100 ml) | ml | 30 CC |
| pH Value of 5% Gel | pH | 9.5 – 10.0 |
| Loose Bulk Density | gm / ml | 0.85 – 1.0 |
| Gelling Time | second | 25 |
| Gelling Index | ml | 60 |
| Green Compressive Strength | psi | 12.5 |
| Wet Tensile Strength | N/cm² | 0.35 |
| Methylene Blue Value | mg / gm of clay | 325 – 375 |
Calcium Bentonite Processing and Packaging
The processing and packaging requirements for calcium bentonite depend on the intended application and the characteristics of the supplied material. CK discusses customer requirements to identify suitable processing options and practical supply arrangements.
Processing Options
Depending on the available product and processing route, requirements may include crushing, grinding, powder classification, or granule sizing. Any special treatment or activation requirement should be confirmed separately.
Packaging Options
Packaging should be selected according to the product form, order requirements, handling conditions, and destination market. Contact CK to confirm available packaging formats and order arrangements.
Customized Supply
For industrial buyers, CK welcomes inquiries specifying the intended application, required particle size, technical parameters, packaging preferences, and estimated order quantity. These details help us evaluate the most suitable available product and supply arrangement.
Packaging & Supply Options
Suitable packaging helps protect sodium bentonite during storage, handling, and transportation. Packaging selection should take into account the product form, moisture sensitivity, order quantity, and destination requirements.
CK can discuss appropriate packaging options according to the confirmed product grade and actual supply capabilities.
For an accurate quotation, please provide your required product form, packaging preference, order quantity, destination, and any applicable technical specifications.

Custom jumbo bag
Custom jumbo bag for sodium bentonite

25kg/bag
25kg/bag for sodium bentonite

50kg/bag
50kg/bag for sodium bentonite
Why Choose CK Calcium Bentonite?
CK focuses on the production and processing of industrial minerals, helping buyers communicate their requirements directly with a supplier involved in product processing and supply.
Production and Processing Focus
CK operates with a self-production and direct-sales business model. Our product discussions focus on actual processing options and available materials rather than simply matching orders with third-party listings.
Application-Oriented Communication
We encourage buyers to share their intended use and technical requirements so that product suitability can be evaluated before purchasing.
Technical Information Support
Available technical data and inspection information can be discussed during the inquiry process to help buyers assess the product against their own specifications.
Flexible Supply Discussions
Product specifications, packaging, and order requirements can be discussed according to actual supply capabilities and customer needs.
Direct Communication
Contact CK to discuss your calcium bentonite requirements, request available technical information, and clarify the details needed for your purchase decision.
Frequently Asked Questions About Calcium Bentonite
Choosing the right calcium bentonite involves understanding its properties, intended application, technical requirements, and available supply options. The following answers address common questions from industrial buyers.
Calcium bentonite is used in selected absorbent, foundry, filtration, clarification, filler, and other industrial applications. The most suitable use depends on the material’s properties and product grade.
Calcium bentonite has calcium as its predominant exchangeable cation, while sodium bentonite has sodium. Calcium bentonite generally has lower swelling capacity in water, while sodium bentonite is often selected for applications requiring greater swelling. Actual performance varies with mineral composition and processing.
Calcium bentonite can be supplied as a powder or granulated material, depending on the product and processing route. Contact CK to confirm the available forms and particle-size options.
Relevant parameters may include mineral composition, moisture content, particle size, pH, absorption characteristics, and other application-specific requirements. The appropriate test items depend on the intended use.
Product requirements can be discussed according to the intended application and available processing capabilities. Buyers should provide their target specifications so that the feasibility of the requested product can be evaluated.
Contact CK to request available technical data and relevant inspection information. The documents provided will depend on the specific product grade and the records available.
Packaging options depend on the product form, order quantity, handling requirements, and destination market. Please contact CK to confirm the available packaging formats.
Send CK your intended application, required specifications, estimated order quantity, destination country, and packaging preferences. These details help us evaluate your requirements and prepare a relevant quotation.
Looking for a Calcium Bentonite Supplier?
Tell CK about your application and purchasing requirements. Our team can discuss available calcium bentonite products, technical information, packaging options, and quotation details with you.
Request a Quote Today
Contact CK to discuss your calcium bentonite requirements and find a suitable product for your industrial application.