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Synthetic Cryolite Powder

Sodium fluoride aluminate is mainly used in electrolytic smelting of aluminum flux, pesticide crops, enamel glaze melting agent and opalescent agent, can also be used in the manufacture of opalescent glass, and aluminum alloy, ferroalloy and boiling steel production of electrolyte and grinding wheel ingredients.

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Product introduce:

It's 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.

Application of cryolite

Especially in ceramics, cryolite has many usages:

  • First, as the additives for glaze: Cryolite has high melting points and fire resistance. Adding to the glaze can increase the glaze's melting degree, and make the glaze smoother. Meanwhile, cryolite can improve the impact and abrasion resistance of the glaze.

  • Second, as a ceramic color, the cryolite can play a colored role in ceramics, especially for warm colors such as red, orange, and yellow.

  • And as an enhanced agent of ceramics: cryolite can improve the strength, toughness, and stability of the ceramics, and make the ceramics stronger.

  • Also as an additive for the filler: cryolite can be used as an excellent filler to improve the hardness and density of ceramic products.

  • As a raw material for thermal material: cryolite can be used as one of the raw materials for the creation of thermal materials and has a wide range of application prospects.

Technical indicator:



F %>=

52 52 53 53

Al %>=

12 12 13 13
Na %<= 33 33 32 32
Hygroscopic Moisture 0.2 0.4 0.2 0.4
SiO2 %<= 0.25 0.36 0.25 0.36
Fe2O3 %<= 0.05 0.08 0.05 0.08
SO4 %<= 0.6 1.0 0.6 1.0
P2O5 %<= 0.02 0.03 0.02 0.03
CaO %<= 0.15 0.20 0.15 0.60
Ig-Loss 2.0 2.5 2.0 2.5

Packing details:

Packing of cryolite Type:
Ton bags (Can be customized)
Mark and Label:
Delivery time:
  • sample--1 day after confirming your required details

  • order--amount less than 100ton will take 14 days to produce


Product features:

Cryolite as one of the ceramic raw materials, provides many advantages for producing ceramics.

  • Stable property: The composition of MgO and silicate makes cryolite have good chemical stability. Therefore, ceramic products made of cryolite as ceramic raw materials have high corrosion resistance and chemical stability and can remain intact in a variety of environments for a long time.

  • High hardness: The hardness of cryolite can reach 6.5-7 mohs. So when making ceramics products using cryolite, the products' surface will be harder, won't be easy to scratch and wear, not easily lose luster, keep beautiful.

  • Antioxidant and high-temperature resistance: Cryolite is not easy to oxidize at high temperatures, can resist thermal shock, and the crystals in its products will not change too much at high temperatures. Ceramic products made of cryolite as ceramic raw materials can be used for a long time, with good high-temperature resistance and oxidation resistance, and it is not easy to crack or deform even in high-temperature environments.



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