Hydrophobic Fumed Silica HB-630

    • Product Name: Hydrophobic Fumed Silica HB-630
    • Chemical Name (IUPAC): Silicon dioxide, trimethylsilyl surface-treated
    • CAS No.: 67762-90-7
    • Chemical Formula: SiO2
    • Form/Physical State: White Powder
    • Factroy Site: West Ujimqin Banner, Xilingol League, Inner Mongolia, China
    • Price Inquiry: sales9@bouling-chem.com
    • Manufacturer: Bouling Desiccants
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    Specifications

    HS Code

    781628

    Product Name Hydrophobic Fumed Silica HB-630
    Appearance White powder
    Surface Area Bet 200 ± 25 m²/g
    Particle Size 7-40 nm (primary particle, aggregated)
    Chemical Formula SiO2
    Hydrophobic Treatment Hexamethyldisilazane (HMDS)
    Loss On Drying < 0.5% (at 105°C for 2 hours)
    Ph 3.5-5.5 (in 4% aqueous dispersion)
    Bulk Density 40-60 g/L
    Carbon Content 3.5-4.5%
    Moisture Content < 1.0%
    Refractive Index 1.46

    As an accredited Hydrophobic Fumed Silica HB-630 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Hydrophobic Fumed Silica HB-630 is packaged in 10 kg multi-layer kraft paper bags with inner PE liner, ensuring safe, moisture-proof storage.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Hydrophobic Fumed Silica HB-630: 80 drums, net weight 9.6MT, securely palletized for safe transport.
    Shipping Hydrophobic Fumed Silica HB-630 is shipped in sealed, moisture-resistant bags or drums, typically weighing 10-20 kg each. All packages are clearly labeled and securely palletized to prevent spillage or contamination. Shipment complies with safety regulations, ensuring protection from physical damage and minimizing exposure to moisture during transit and storage.
    Storage Hydrophobic Fumed Silica HB-630 should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from moisture and incompatible substances. Avoid exposure to direct sunlight and sources of ignition. Handle with care to prevent dust formation, and keep away from strong acids, bases, and oxidizing agents. Store at ambient temperature, following all relevant safety guidelines.
    Shelf Life Hydrophobic Fumed Silica HB-630 has a shelf life of 24 months when stored in original, unopened packaging under dry conditions.
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    Tel: +8615651039172

    Email: sales9@bouling-chem.com

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    Certification & Compliance