The Global Calcium Bentonite Market was valued at USD 1.63 Billion in 2024 and is projected to reach USD 2.26 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.1% during the forecast period (2024–2030). This robust growth is fueled by rising demand from the construction and oil & gas sectors, coupled with expanding applications in agriculture, personal care, and environmental remediation. As industries increasingly prioritize sustainable and natural solutions, calcium bentonite’s unique properties, such as high water absorption and swelling capacity, are propelling its adoption globally.
In an era defined by infrastructural development and environmental consciousness, the key players in the calcium bentonite industry are innovating to meet diverse demands. This blog profiles the Top 10 Companies in the Calcium Bentonite Industry—a mix of global mining giants, specialized mineral processors, and regional leaders shaping the supply chain and application landscape of this versatile clay.
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🔟 1. Amcol International Corporation (Minerals Technologies Inc.)
Headquarters: Hoffman Estates, Illinois, USA
Key Offering: High-grade Calcium Bentonite for foundry, construction, and industrial applications
Amcol, now a part of Minerals Technologies Inc., is a foundational player in the global bentonite market, with a long history of mining and processing. The company offers a comprehensive portfolio of bentonite products, including calcium bentonite known for its binding and sealing properties in foundry sands and civil engineering projects.
Strategic Initiatives:
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Advanced mineral processing technologies for consistent quality
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Strong global distribution network serving key industrial markets
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Focus on R&D for developing high-performance application-specific grades
9️⃣ 2. Bentonite Performance Minerals LLC (BPM)
Headquarters: Key Offering: Calcium Bentonite for drilling fluids, iron ore pelletizing, and environmental applications
A subsidiary of Halliburton, BPM is one of the largest bentonite producers in North America. The company specializes in high-yield sodium and calcium bentonite, with extensive reserves and mining operations. Its products are critical for the oil & gas industry as a key component of drilling muds.
Strategic Initiatives:
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Investment in mining and processing capacity expansion
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Technical support and customized solutions for drilling and geosynthetic clay liners (GCLs)
8️⃣ 3. Wyo-Ben, Inc.
Headquarters: Billings, Montana, USA
Key Offering: Calcium Bentonite powders and granules for various industrial uses
Wyo-Ben is a privately held company that has been a leading supplier of bentonite clay for over 70 years. It operates multiple processing plants and serves a wide array of markets, including environmental, construction, and industrial. The company is renowned for its reliable supply chain and customer-focused approach.
Strategic Initiatives:
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Sustainable mining practices and land reclamation efforts
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Development of new bentonite-based products for niche applications
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7️⃣ 4. Black Hills Bentonite, LLC
Headquarters: Casper, Wyoming, USA
Key Offering: Specialty Calcium Bentonite for foundry, oil & gas, and water sealing
Black Hills Bentonite is a major producer with significant mining operations in Wyoming, USA, home to some of the world’s highest quality bentonite deposits. The company provides a range of calcium bentonite products tailored for demanding applications like metal casting and well drilling, emphasizing product consistency and performance.
Strategic Initiatives:
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Vertically integrated operations from mining to packaging
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Commitment to quality control and rigorous product testing
6️⃣ 5. Tolsa Group
Headquarters: Madrid, Spain
Key Offering: Adsorbant and specialty Calcium Bentonite for pet care, agriculture, and industrial markets
Tolsa is a Spanish multinational and a global leader in the mining, manufacturing, and commercialization of specialty minerals, including bentonite. The company has a strong international presence and is particularly noted for its innovative applications in pet litter and agrochemicals, leveraging bentonite’s absorbent properties.
Strategic Initiatives:
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Global expansion and strategic acquisitions in key markets
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Focus on R&D for value-added, sustainable mineral solutions
5️⃣ 6. Imerys S.A.
Headquarters: Paris, France
Key Offering: High-purity Calcium Bentonite for ceramics, paints, and construction
Imerys is a world leader in mineral-based specialty solutions for industry. The company’s bentonite portfolio is part of its extensive offering, serving diverse sectors from ceramics and refractories to paper and paints. Imerys leverages its global R&D capabilities to enhance the functional properties of its calcium bentonite for specific customer needs.
Strategic Initiatives:
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Sustainability focus with goals for reduced environmental footprint
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Development of performance minerals for advanced material science
4️⃣ 7. Clariant AG
Headquarters: Muttenz, Switzerland
Key Offering: Activated and functionalized Calcium Bentonite for catalysts, absorbents, and personal care
Clariant is a focused, sustainable, and innovative specialty chemical company. Its Business Unit Additives includes a range of bentonite-based products used as rheology modifiers, catalysts, and absorbents. Clariant specializes in modifying natural bentonite to achieve specific performance characteristics for high-value industrial applications.
Strategic Initiatives:
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Innovation in eco-friendly and bio-based additive solutions
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Strategic partnerships to develop new applications in clean tech and life sciences
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3️⃣ 8. Bentonite Company LLC (G&W Minerals)
Headquarters: Johannesburg, South Africa
Key Offering: Calcium Bentonite for animal feed, wine clarification, and industrial uses
The Bentonite Company, part of the G&W Mineral Resources group, is a leading supplier of industrial minerals in Africa. It processes bentonite for both local and international markets, with key applications in agriculture (as a binder in animal feed) and in winemaking as a clarifying agent.
Strategic Initiatives:
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Expansion of production capabilities to serve growing African markets
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Focus on providing technical expertise and support to regional industries
2️⃣ 9. Laviosa Minerals Srl
Headquarters: Livorno, Italy
Key Offering: Specialty Calcium Bentonite for drilling, foundry, and environmental barriers
Laviosa Minerals is a major European producer of bentonite with a strong focus on the Mediterranean and Middle Eastern markets. The company is known for its high-quality products used in critical applications such as diaphragm walls, tunneling, and landfill liners, where sealing and stability are paramount.
Strategic Initiatives:
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Investment in R&D for geotechnical and environmental solutions
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Development of customized bentonite blends for complex engineering projects
1️⃣ 10. LKAB Minerals
Headquarters: Stockholm, Sweden
Key Offering: Functional fillers and additives based on Calcium Bentonite
LKAB Minerals is a leading industrial mineral company offering a range of products derived from its own ore deposits. While renowned for its wollastonite and magnetite, it also supplies bentonite-based solutions. The company focuses on providing minerals that enhance product performance in sectors like construction, polymers, and agriculture.
Strategic Initiatives:
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Sustainable mining practices aligned with circular economy principles
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Global supply chain optimization to ensure reliable delivery to customers
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🌍 Outlook: The Future of Calcium Bentonite Is Diversified and Innovative
The calcium bentonite market is experiencing a significant evolution. While traditional applications in drilling muds and foundry sands continue to form the market backbone, the industry is witnessing a surge in innovative uses across new sectors. The push for sustainable materials and natural solutions is opening up unprecedented opportunities for this versatile clay mineral.
📈 Key Trends Shaping the Market:
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Growing demand for geosynthetic clay liners (GCLs) in waste containment and water management projects
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Expansion in the organic agriculture sector, using bentonite as a soil conditioner and carrier for pesticides
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Innovation in personal care and pharmaceuticals, leveraging its detoxifying and viscosity-modifying properties
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Increased utilization in water purification and wastewater treatment processes
The companies profiled here are not just suppliers of a raw material; they are enablers of industrial efficiency, environmental protection, and technological advancement. Their continued investment in research and sustainable practices ensures that calcium bentonite will remain a critical material for a wide range of industries in the years to come.
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Calcium Bentonite Market – View in Detailed Research Report
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