Sodium Fluosilicate/Hexafluorosilicate (SSF)
General Description of Sodium Fluosilicate/Hexafluorosilicate (SSF)
Molecular Formula:Na2SiF6
UN NO.: 2674
CAS NO.:16893-85-9
EINECS:240-934-8
Desity:2.37
Hs code: 2826901010
Appearance: Colorless hexagonal crystal
Solubility: Soluble in water up to 1.45g/100ML at 100℃ but it is insoluble in alcohol
Application of Sodium Fluosilicate/Hexafluorosilicate (SSF)
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In metallurgical applications such as foundry additives for aluminum foundry, cover flux, Si addition to aluminum, filler for bonded abrasives.
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Milky agent and fusing agent for glass and enamel
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Preserving agent for wood
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Agricultural insecticide
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Hygroscopic agent for acid resisting cement
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Coagulation accelerator in natural emulsion products
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Additive in electroplating zinc, nickel and iron in three floors; stuffing agent in plastics
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Pharmacy, fluorating treatment for drinking water and for man-made crystals and Sodium Fluoride
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Leather tanning (cracking prevention) and foam rubber.
Specification of Sodium Fluosilicate/Hexafluorosilicate (SSF)
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Item
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Standard
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Purity (Na2SiF6)
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≥ 99.0
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Free Acid
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≤0.10
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Loss of Weight on Drying at 105°C
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≤0.30
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Water-insolutles
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≤0.4
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Fineness Passed 250mesh Sieve
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≤90%
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Heavy Metal
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≤0.05
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Package of Sodium Fluosilicate/Hexafluorosilicate (SSF)
25kg or 1000kg jumbo plastic woven bag. 25tons/20'gp.
