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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)
In metallurgical applications such as foundry additives for aluminum foundry, cover flux, Si addition to aluminum, filler for bonded abrasives.
Milky agent and fusing agent for glass and enamel
Preserving agent for wood
Agricultural insecticide
Hygroscopic agent for acid resisting cement
Coagulation accelerator in natural emulsion products
Additive in electroplating zinc, nickel and iron in three floors; stuffing agent in plastics
Pharmacy, fluorating treatment for drinking water and for man-made crystals and Sodium Fluoride
Leather tanning (cracking prevention) and foam rubber.

Specification of Sodium Fluosilicate/Hexafluorosilicate (SSF)
ItemStandard
Purity (Na2SiF6)≥ 99.0
Free Acid≤0.10
Loss of Weight on Drying at 105°C≤0.30
Water-insolutles≤0.4
Fineness Passed 250mesh Sieve≤90%
Heavy Metal≤0.05

Package of Sodium Fluosilicate/Hexafluorosilicate (SSF)
25kg or 1000kg jumbo plastic woven bag. 25tons/20'gp.