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Anti yellowing Precipitated Silica Silicon Dioxide For Silicone Rubber

Categories Precipitated Silica
Brand Name: Ecopower
Model Number: SAI - 800
Certification: ISO9001,ISO14001,ISO/TS 16949:2009
Place of Origin: China
MOQ: Negotiation, MT
Price: USD,Price Negotiation
Payment Terms: D/A, D/P, L/C, T/T
Supply Ability: 180000 MT/year
Delivery Time: Two weeks after order confirmation
Packaging Details: 10kg/bag
BET specific surface area m² / g: 150 -180
SiO2 %: ≥ 98
Color & Form: White Powder
DBP absorption Value cm3 /g: 2.0 - 2.7
pH Value(5% aqueous suspension): 6.0 - 7.0
Medium Size(D50)µm: 10 -14
Heating Loss at 105 oC 2h % Max: 4.0 - 8.0
Ignition Loss at 1000 oC 2h % Max: 7.0
Properties: High Anti-yellowing Exceptional Resistance to Heat-aging
Application: Silicone Rubber
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    Anti yellowing Precipitated Silica Silicon Dioxide For Silicone Rubber

    Antiyellowing Precipitated Silica Silicon Dioxide For Silicone Rubber


    Product name: Precipitated silica

    Type: SAI - 800

    Synonyms: White carbon black, precipitated silica,silicon dioxide,SiO2, hydrated silicon dioxide, hydrated silica


    Chemical Properties

    Precipitated silica SAI-800 is white powder by selection of raw materials,with low iron raw materials.It can
    be dissolved by NaOH,HF. Other kinds of acid, water and organic solvents cannot dissolve the
    product.


    • Cost-effective reinforcing strength
    • Outstanding compression-set resistance
    • Exceptional resistance to heat-aging
    • Excellent tensile-strength, tear-strength and flex-fatigue resistance
    • Reduced crepe hardening


    Product Specification

    Test ItemsValues
    AppearanceWhite Powder
    SiO2 content≥ 98 %
    Loss at 105 ℃ 2h4.0 - 8.0%
    Igniting Loss 1000 ℃ 2h Max.7.0%
    DBP absorption Value cm³/g2.0 - 2.7 cm³/g
    20μm Mesh residue on sieve Max65%
    60μm Mesh residue on sieve Max75%
    pH Value ( 5% aqueous suspension )6.0 - 7.0
    BET specific surface area ㎡/g150 - 180 ㎡/g
    Salt As Na2SO4 Max0.7%
    Total Fe mg / kg Max200
    Medium Size(D50)µm10-14

    Application

    Precipitated Silica SAI - 800 is applied to silicone rubber compounders by providing:
    1.More flexible inventory management through reduced shelf hardening
    2. Faster, more efficient mixing and re-milling of elastomers
    3.Less fly-loss-related product waste

    4.High Anti-yellowing Exceptional resistance to Heat-aging


    Package and storage

    1. Package:10kg/bag.

    2. Storage: Kept in a low temperature, dry and ventilated place.

    3. Shelf life: One year in ventilating, cool and dry area.

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