Foundry Bentonite

Application of Foundry Bentonite in Metal Casting

Buy Foundry Bentonite to enhance mold quality in metal casting operations. In this process, sodium bentonite acts as a natural binder with high thermal resistance. As a result, it increases sand cohesion and improves mold stability under extreme temperatures.

Moreover, this property allows molds to replicate precise casting geometries while minimizing metal shrinkage and deformation. Therefore, using high-quality foundry bentonite from Arka Powder ensures dimensional stability and reduces mold loss in continuous production lines.

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Technical Characteristics of Arka Powder Foundry Bentonite

Buy Foundry Bentonite from Arka Powder to benefit from a high sodium content of approximately 3.76 percent and a fine 400-mesh particle size. Consequently, this product delivers excellent water absorption ranging from 550 to 650 percent.

In addition, a high cation exchange capacity between 100 and 110 mEq per 100 grams improves sand particle bonding. Therefore, molds maintain structural integrity even at elevated casting temperatures.

Furthermore, the presence of over 86 percent montmorillonite and controlled iron oxide content near 2 percent results in smoother casting surfaces. As a result, porosity decreases and final product quality improves significantly.

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Arka Powder Technical Catalog.

Chemical and Physical Properties

Buy Foundry Bentonite with verified chemical composition for reliable performance. This material contains silica as the primary component, supported by aluminum oxide, sodium oxide, calcium oxide, magnesium oxide, potassium oxide, iron oxide, and trace titanium dioxide.

Chemical Analysis

Technical Specifications

Additionally, this bentonite offers controlled moisture levels between 4 and 5 percent. It also provides swelling capacity between 22 and 25 milliliters per gram squared. Therefore, it ensures optimal flexibility and mold strength during forming.

Advantages of Sodium Bentonite in Foundry Molding

Buy Foundry Bentonite to achieve higher dry strength and superior resistance to thermal shock. This sodium-based bentonite absorbs up to fifteen times its dry volume in water. Consequently, it creates excellent mold flexibility during shaping.

Moreover, its high ion exchange capacity helps regulate sand moisture effectively. As a result, mold cracking decreases and surface quality improves. Therefore, foundries experience lower scrap rates and higher production efficiency.

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Arka Powder Blog.

Industrial Applications and Usage Areas

Buy Foundry Bentonite for casting iron, steel, aluminum, and bronze components. This product performs reliably in automatic molding lines, green sand systems, dry molds, and investment casting processes.

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About Us page.

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FAQ section.

Purchasing and Technical Consultation

Buy Foundry Bentonite from Arka Powder in mesh sizes 100, 200, 300, and 400. To select the most suitable grade for your project, submit a request through the

Product Request form.

Alternatively, contact our technical experts directly via

WhatsApp for immediate consultation.

Scientific References and External Resources

For deeper technical understanding of bentonite in foundry applications, review the following independent resources:

• Learn about foundry standards and molding materials from the Iran Casting Industries Association at
  
  https://www.icima.ir

• Explore scientific research on sodium bentonite in foundry sands via ScienceDirect:
  
  https://www.sciencedirect.com/topics/engineering/sodium-bentonite