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Precipitated Silica IOTA FINE SIL520A


    IOTA FINE-SIL520A precipitated silica for toothpaste is amorphous powder, tasteless, insoluble in water or acid, chemically inert, has good solubility with fluoride toothpaste and other raw materials, structure and particle size of silica can be controlled by production conditions, according to different types of toothpaste, respectively produce 3 types: friction type, mixed type and thickening type.

     

    Main specifications and technical data

    IOTA FINE-SIL520A series has been tested, it is comply with the light industry standard of People's Republic of China QB/T2346-97

    ITEM

    Friction type

    Mixed type

    Thickening type

    SiO2dried

    95

    98

    98

    Apperance

    White Powder

    White Powder

    White Powder

    Whiteness %

    93

    98

    98

    PH Vaule (5% water dispersion)

    6.5-8.5

    6.5-8.5

    6.5-8.5

    Pass 320 Mesh Screen %

    98

    99

    99

    Loss on Drying105℃)

    10

    10

    10

    Loss on Ignition900℃)%

    8.3

    6

    6

    Drink Value ml/20g

    17-20

    30-42

    45-60

    Na2SO4 content %

    0.4

    0.4

    0.4

    NaCl content %

    0.1

    0.1

    0.1

    Sulfide Content

    None

    None

    None

    Heavy Metals(Pb) Content

    20

    20

    20

    As Content mg/kg

    2

    2

    2

    Bacilli cfu/g

    200

    200

    200


    Package

    White kraft paper bag, 10KG/Bag


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