Sodium Fluosilicate/Hexafluorosilicate (SSF)
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Product Details
Description：
●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:
●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:
|
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:
25kg or 1000kg jumbo plastic woven bag. 25tons/20'gp
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