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synthetic Cryolite, Sodium Aluminium Fluoride

Categories Other Abraives minerals
MOQ: 20 tons
Payment Terms: T/T
Delivery Time: 15 working days
Packaging Details: Big bag, 25kg bag+Big bag or other
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    synthetic Cryolite, Sodium Aluminium Fluoride

    General Information

    Product : Synthetic Cryolite, Sodium Aluminium Fluoride(Na3AlF6)

    Country of Origin : China

    Manufacturer of Material : Luoyang Zhongsen Refractory Co.,Limited

    Picture of Product:

    Physical Specifications & Package

    Color : White, Grey

    Crystal Type : Transparent to semi transparent monoclinic system

    Moisture : <0.5%

    Mosh Hardness : 2.5

    Density : 2.95-3g/cm3

    Melting Point : 1000℃

    Optical Parameters : refractive index 1.338-1.339, birefringence 0.001, positive light, dispersion value of 0.024

    Sizes : 80mesh, 100mesh, 200mesh, 325mesh etc

    Package : 40*25kg Woven Plastic Bag in a Big Bag

    Cryolite, also named Sodium Aluminium Fluoride(Na3AlF6), is a white monoclinic mineral, chemical formula Na3AlF6. Industrial cryolite is synthetic small crystal white, odorless, slightly soluble in water easily deliquescence. Depending on the impurities it contains, cryolite can also be gray white, light red, light brown, etc.

    Molten cryolite can dissolve various oxides and salts, can effectively reduce the melting point of aluminum oxide thus greatly reduces the power consumption in the production process of electrolytic aluminum, and does not contain the correct electrical elements than aluminum, good electrical conductivity, stable performance. Therefore, cryolite is an indispensable raw material in the production process of electrolytic aluminum. Wear resistant agent is also applied to the cryolite grinding wheel and rubber products, can effectively improve the wear resistance and service life of the product. Alloy nonferrous metal and welding solvent, deoxidizer, foundry enamel emulsifier, glass milky agent and anti reflective coating, ceramic industry and other industrial auxiliaries, pesticides.


    Chemical Content of Synthetic Cryolite


    Chemical Content (%)
    CH-0CH-1CM-0CM-1
    F≥52≥52≥53≥53
    Al≥12≥12≥13≥13
    Na≤33≤33≤32≤32
    SiO2≤0.25≤0.36≤0.25≤0.36
    Fe2O3≤0.05≤0.08≤0.05≤0.08
    SO4 2-≤0.6≤1.0≤0.6≤1.0
    CaO≤0.15≤0.20≤0.20≤0.6
    P2O5≤0.02≤0.03≤0.02≤0.03
    Moisture(105~110℃)≤0.20≤0.40≤0.20≤0.40
    Igloss(500~550℃,1h)≤2.0≤2.5≤2.0≤2.5
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