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)
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)
Item Standard
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.


#Sodium #Fluosilicate
http://www.sata-fluxes.com/product/raw-materials/ssf.html