• Other special purpose silica
Other special purpose silica
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Other special purpose silica

The company produces silica, which is an amorphous powder (spherical) substance, light and loose, insoluble in water and acid, soluble in sodium hydroxide and hydrofluoric acid.

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+86-536-3532728

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Belonging to category

Silicon dioxide

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    Product Use

    Usage

    Silica Specifications for Other Special Purposes

    Specification of Other Special Purpose Silica

    Type Type

    Index Index

    Item Item

     

    Test Method

    Test Method

    LK25

     

     

    Appearance

    Apperance

     

    Visual Inspection

    Powder

    Powder

    Powder

    Powder

    Powder

    Powder

    Specific Surface Area( N2 Adsorption) - Multipoint method

    Specific Surface Area(N2-Tristar)

    M 2/g

    GB/T

    10722

    130-170

    300-500

    250-300

    CTAB

    M 2/g

    GB/T

    23656

    120-160

     

     

    Oil Absorption ( DBT Method)

    Oil Absorptionn(DBT)

    cm 3/g

    HG/T

    3072

    2.0-2.5

    15-1.8

    2.8-3.5

    Moisture Loss ( 105 ℃, 2h）

    Moisture Loss at 105 ℃, 2hour

    %

    HG/T

    3065

     

    5.0-7.0

    ≤ 5.0

    <5.0

    Ignition Loss ( 1000 ℃)

    Ignition Loss at 1000 ℃

    %

    HG/T

    3066

    ≤ 7.0

    4.5-5.0

    ≤ 7.0

    PH （5% (Aqueous suspension)

    PHvalue(10% aq ）

     

    HG/T

    3067

    9.5-10.5

    6.5-7.0

    According to customer requirements

    Water Soluble Matter

    Soluble Salts

    %

    HG/T3748

    ≤2.5

    ≤0.15

    ≤0.01

    Sieve Residue >300 μ m

    Ro-Tap Sieve Residue >300 μ m

    %

    ISO5794-1F

     

     

    According to customer requirements

    Sieve Residue <75 μ m

    Ro-Tap Sieve Residue <75 μ m

    %

    ISO5794-1F

     

     

     

    Product standard

    Product standard

     

    ISO 3262-18-2000

     

    Remarks

    Remarks

    300 μ m=50 Eye             75 μ m=200 Eye

    300 μ m=50mesh           75 μ m=200mesh

     

     

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