Lithium Silicate and Colloidal Silica Hardener
Nano-engineered mixture of lithium silicate and colloidal silica for ultra-thin foundry coatings and precision mold faces. HTS 3824.99.39.90 covers this high-performance inorganic binder system. Delivers surface hardness exceeding 9H pencil for defect-free castings.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If functions primarily as coating
Inorganic foundry coatings may classify under paints and varnishes
If stabilized with organic dispersants
Organic additives disqualify pure inorganic classification
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Import Tips & Compliance
• Provide nano-particle size distribution analysis; verify colloidal stability data; comply with REACH-equivalent labeling for lithium compounds
Related Products under HTS 3824.99.39.90
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Sodium Silicate and Potassium Silicate Mold Additive
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Magnesium Chloride and Calcium Fluoride Flux Mixture
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Boric Acid and Sodium Tetraborate Hardening Agent
Dry blend of boric acid and sodium tetraborate (borax) used as a chemical hardener for inorganic foundry binders to accelerate setting time and improve mold strength. Classified in HTS 3824.99.39.90 for multi-inorganic compound preparations. Essential for no-bake foundry systems requiring rapid mold production.
Sodium Fluorosilicate and Calcium Hydroxide Catalyst
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