Calcium/Sodium Bentonite is a versatile mineral with exceptional properties that make it indispensable in various industrial applications. This article explores the Calcium/Sodium Bentonite product offered by Shijiazhuang Baifeng Mining Co., Ltd., a leading supplier in the mining and mineral processing industry. From its unique chemical composition to its wide-ranging applications, this article provides a comprehensive overview of the product's features, advantages, and technical specifications.
Calcium/Sodium Bentonite is a naturally occurring clay mineral that exhibits remarkable swelling and adsorption properties. Its unique structure allows it to absorb large amounts of water, making it highly effective in various industrial processes. The product is available in a fine powder form, with particle sizes ranging from 325 mesh to 2000 mesh, ensuring versatility in different applications.
The Calcium/Sodium Bentonite is characterized by its white and yellow coloration, which is a result of its mineral composition. The chemical formula for this mineral is typically represented as Na0.5(Al2Si4O10)(OH)2·nH2O for sodium bentonite and Ca0.5(Al2Si4O10)(OH)2·nH2O for calcium bentonite. This composition contributes to its high cation exchange capacity (CEC), which is a critical factor in its effectiveness as a binding agent and filtration medium.

The Calcium/Sodium Bentonite offers numerous advantages that make it a preferred choice in multiple industries. One of its primary benefits is its ability to form a stable gel when mixed with water, which is essential in drilling fluids and slurry applications. This property enhances the efficiency of drilling operations by reducing friction and preventing wellbore collapse.
Additionally, the high adsorption capacity of Calcium/Sodium Bentonite makes it an excellent material for filtration and purification processes. It effectively removes impurities and contaminants from liquids, making it a valuable asset in the water treatment and environmental protection sectors. The mineral's ability to swell when hydrated also makes it suitable for use in sealing applications, such as in landfill liners and geosynthetic clay liners (GCLs).

| Parameter | Specification |
|---|---|
| Particle Size | 325 mesh - 2000 mesh |
| Form | Powder |
| Color | White and Yellow |
| CAS Number | 1302-78-9 |
| Chemical Composition | Na0.5(Al2Si4O10)(OH)2·nH2O (Sodium Bentonite) and Ca0.5(Al2Si4O10)(OH)2·nH2O (Calcium Bentonite) |
| Cation Exchange Capacity (CEC) | 80-120 cmol/kg |
| Swelling Capacity | 15-25 mL/2g |
The Calcium/Sodium Bentonite is widely used across various industries due to its unique properties. In the National Institute of Standards and Technology (NIST) (NIST) standards for material testing, bentonite is often referenced for its role in ensuring the accuracy of measurement devices. For example, NIST has developed protocols for testing the swelling properties of bentonite to ensure its reliability in industrial applications.
In the construction industry, Calcium/Sodium Bentonite is used as a sealing material in underground structures, such as tunnels and basements, to prevent water leakage. Its ability to form a dense, impermeable layer makes it ideal for use in geosynthetic clay liners (GCLs), which are essential in waste containment systems.
In the agricultural sector, Calcium/Sodium Bentonite is utilized as a soil conditioner to improve water retention and nutrient availability. Its high absorption capacity allows it to hold moisture and release it slowly to plant roots, enhancing crop growth and yield. Additionally, the mineral's ability to adsorb heavy metals and other contaminants makes it a valuable tool in soil remediation efforts.

Shijiazhuang Baifeng Mining Co., Ltd. is a reputable company specializing in the production and supply of high-quality mineral products, including Calcium/Sodium Bentonite. With years of experience in the mining industry, the company has established itself as a trusted supplier to clients across various sectors, including construction, agriculture, and environmental protection.
Shijiazhuang Baifeng Mining Co., Ltd. is committed to delivering products that meet international standards. The company adheres to strict quality control measures to ensure that its products are free from impurities and meet the required specifications. This commitment to quality has earned the company a strong reputation in the market, with a growing customer base that relies on its products for their industrial needs.
As a forward-thinking organization, Shijiazhuang Baifeng Mining Co., Ltd. continuously invests in research and development to improve its product offerings. The company collaborates with industry experts and research institutions to stay at the forefront of technological advancements in the mining and mineral processing sectors. This proactive approach ensures that the company remains competitive and continues to provide innovative solutions to its clients.
The Calcium/Sodium Bentonite from Shijiazhuang Baifeng Mining Co., Ltd. is a high-performance mineral with a wide range of applications. Its unique properties, such as high adsorption capacity, swelling ability, and cation exchange capacity, make it an essential material in various industries. Whether used in drilling fluids, construction, agriculture, or environmental protection, this product offers reliable performance and cost-effectiveness.
As the demand for sustainable and efficient materials continues to grow, Calcium/Sodium Bentonite remains a valuable resource for industries worldwide. Shijiazhuang Baifeng Mining Co., Ltd. is dedicated to meeting the evolving needs of its customers by providing high-quality products and exceptional service. For more information about the company and its offerings, visit Shijiazhuang Baifeng Mining Co., Ltd..
National Institute of Standards and Technology (NIST). (n.d.). Standards and Measurements. Retrieved from https://www.nist.gov/
NIST has established guidelines for the testing of mineral properties, including the swelling capacity and cation exchange capacity of bentonite. These standards are crucial for ensuring the reliability and consistency of mineral products in industrial applications.
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