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SPV Bentonite

SPV Bentonite

Premium sodium-based montmorillonite clay, specifically processed for the high-demand environment of iron and steel foundries. It serves as an exceptional bonding agent in green sand molds, providing the necessary green compression strength, dry strength, and thermal stability required to produce high-precision castings

Features

  • Superior Bonding Strength: The high montmorillonite content ensures excellent green compression strength (GCS), allowing the mold to maintain its shape during handling and pouring.

  • Exceptional Thermal Stability: With an alumina content of 21.08%, our SPV bentonite resists "dead-burning" at high temperatures, making it highly recyclable in automated sand systems.

  • Excellent Durability: The balanced sodium/calcium ratio provides a wide moisture working range and superior dry/hot strength, preventing mold wall movement and ensuring dimensional accuracy.

  • Optimized Flowability: Our finely ground powder (90% Pass) ensures rapid and uniform distribution throughout the sand mix, reducing mixing time and energy consumption

  • Technical Spec

    Oxide Component Content (%)
    Silica (SiO_2) 63.02%
    Alumina (Al2O3) 21.08%
    Iron Oxide (Fe2O3) 3.25%
    Magnesium Oxide (MgO) 2.67%
    Sodium Oxide (Na2O) 2.57%
    Calcium Oxide (CaO) 0.65%
    Ferrous Oxide (FeO) 0.35%
    Trace Elements 0.72%
    Sizing Inspection 90% ALL PASS

    Product Inquiry

    Thank you for taking interest in San Furs product & services, please submit your enquiry, we will provide technical assessment and quotation within 24 hours. You are also welcome to call us on whatsapp anytime you feel comfortable. +886 901 246 930 ask for Devin!

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    SPV Bentonite SPV Bentonite