Foundry Grade Bentonite

Bentonite is used as a bonding material in the preparation of moulding sand for the production of cast iron, steel, and non-ferrous casting. The unique properties of bentonite yield green sand moulds with good flowability, compactability, and thermal stability for the production of high quality castings.

Foundry Grade Bentonite is a sodium based bentonite of high purity mined and processed especially for foundry from ores with a high compositions of montmorollinite.

Important Characteristics & Advantages

• Fast Bond Development: High milling efficiency and increased sand throughput
• Wide Moisture Tolerance: Flexible sand control and consistent quality
• Exceptional Mould Ability: Excellent mould integrity and high casting definition
• High Swelling & Wet Tensile: Exceptional resistance to expansion and hot sand defects
• Excellent Thermal Stability: High casting quality due to low dead clay
• Reduced Consumption of Bentonite
• Increased Dimensional Accuracy with Controlled Weight of Castings