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Sodium Cryolite

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Cryolite is an uncommon mineral of very limited natural distribution. Mostly considered a one locality mineral, although there are a few other minor localities, it was only found in large quantities on the west coast of Greenland. It was used as a solvent of the aluminum rich ore, bauxite, which is a combination of aluminum oxides such as gibbsite, boehmite and diaspore. It is very difficult to remove atoms of aluminum from atoms of oxygen which is necessary in order to produce aluminum metal. Cryolite made an excellent flux to make the process less expensive. Now it is too rare to be used for this purpose and sodium aluminum fluoride is produced artificially to fill the void.
A curious note about cryolite is the fact that it has a low index of refraction close to that of water. This means that if immersed in water, a perfectly clear colorless crystal of cryolite or powdered cryolite will essentially disappear. Even a specimen of cloudy cryolite will become more transparent and its edges will be less distinct, an effect similar to ice in water except that the ice floats. Carving a safe niche for ourselves in the market, we are engaged in manufacturing, supplying, wholesaling and exporting an extensive range of Cryolite Chemicals. Under the supervision of our diligent chemical engineers, these products are formulated with ultra-grade ingredients. To ensure their quality, we tested these chemicals on varied parameters. The offered products are demanded by the clients for their quality as per the international standards.Sodium cryolite , sodium aluminum fluoride, sodium fluoaluminate, sodium fluoroaluminate, sodium hexafluoroaluminate, trisodium hexafluoroaluminate, sodium aluminofluoride, aluminum sodium fluoride, kryolith, kryocide, cryolite, ice spar.

(Na3AlF6). Synthetic cryolite is a white crystalline powder manufactured from hydrofluoric acid, sodium carbonate, and aluminium. Synthetic cryolite is used chiefly as a flux in the electrolytic production of aluminum as it effectively lowers down the melting point of alumina. It is used in the glass and enamel industries, in bonded abrasives as a filler, in making salts of sodium and aluminum and porcelaneous glass and in the manufacture of insecticides. Cryolite is a relatively safe fruit and vegetable insecticide. The fluoride ion inhibits many enzymes that contain iron, calcium, and magnesium.

sodium cryolite is a white crystalline powder or a sandy-size granularity, and a pinkish crystalline powder or a sandy-size granularity as well. Sp.gr.2.95—3.05g/cm3, melting point about 1025°C, specific heat 1.056j/g°C at 18—100°C. It’s slightly soluble in water, but insoluble in anhydrous hydrogen fluoride. The content of its crystal water will be decreased while the increasing of the molecular ratio, therefore its loss on ignition will be also decreased while the increasing of the molecular ratio. After the paste of synthetic cryolite with different molecular ratio dehydrates, the loss on ignition at 800°C will appear 10.34%, 6.22% and 2.56% when the molecular ratio reaches 1.74, 2.14 and 2.63 reactively. Our range encompasses Sodium Cryolite and Potassium Cryolite which are detailed as follows:
Product Details:
Minimum Order 500 Kilogram
Packaging Size 25 Kg bags with inner linear
Packaging Type Bags
Color Industrial
Purity 98 %
Grade Standard Technical Grade
CAS Number 15096-52-3
Dimension Powder
PH Value 6.5 to 7
Melting Point 1000 c
Assay 98%
Weight 50 kg bags
Material Fine powder
Molecular weight 210.00
Cas No 13775-53-6
Description White powder
Assay 98.5%
Fluorine value as F 54.28%
Aluminum content as Al 12.68%
Free HF 0.002%
Silica as SiO2 0.6%
Sulphate as SO4 0.004%
Iron as fe203 0.05%
Lead as Pb 0.02%
packing In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag
Additional Information:
Pay Mode Terms L/C (Letter of Credit),T/T (Bank Transfer),Other
Port of Dispatch Mumbai , Mundra
Production Capacity 200 Metric ton per month
Delivery Time 15 Days
Packaging Details : In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag.
Sodium cryolite mainly used as a flux in the aluminum smelting by fused-salt electrolysis; also an opalizer in the manufacture of enamel; an opacifier and auxiliary solvent of glass and enamel; an insecticide of crops; a flux in aluminum alloy casting; and in the production of ferrous alloy and effervescing steel; as well as a wear-resistant filler for resin and rubber-boned abrasive wheels.

sodium cryolite is used as flux in aluminum smelting, cropper insecticide, flux and whiting agent of enamel glaze. It is also used in the manufacture of milky white glass, aluminum alloy and boiling steel. Its used as ingredient of grinding wheel.