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Fumed Silica IOTA HB4132


    Product description

    HB4132 is hydrophobic fumed silica which is produced by HL4200 after chemical post-treatment with HMDS (Hexamethyldisilazane).


    Specification

    IOTA HB4132

    Specific sunface area(BET), /g

    160

    pH value in 4% dispersion

    7.08.5

    Loss on drying(2 hours at 105), %

    ≤0.5

    Loss on ignition(2 hours at 1000 based on material dried for 2 hours at 105), %

    ≤4.0

    Sieve Residue(45μm), mg/kg

    -

    Silica Content(Based on ignited material), %

    ≥99.8

    Tamped Density(Based on material dried at 105 for 2 hours), g/dm²

    4060

    Carbon Content (Based on material dried at 105 for 2 hours), %

    2.54.0

     

    Applications 

    Silicone rubber

    Defoamer

    Toner                       

    Adhesives and Sealants

     

    Properties

    Low thickening effect and excellent processability enable high loading in polymers

    Excellent reinforcing properties in silicone rubber especially at high filler loading levels (RTV-1, RTV-2, LSR)

    Good transparency performance

    Free flow aid and anti-caking aid for powders

     

    Package

    White kraft paper bag, 10KG/Bag



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