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Sodium Fluorosilicate [ORDER]
Formulae: Na2SiF6
Molecular Weight: 220.26
UN. NO.: 2674
HAZARD CLASS:6.1
H.S. CODE:2826.2000
Physical chemistry properties: Colorless, odorless, poisonous and
hygroscopic hexa-square crystal. Relative density is 2.679. either
dissolvable substances, but undissolved in alcohol. Solubility is
acid is larger than in water. Decomposed as fluoride and silicon oxide
in alkali solution. Decomposed as Sodium fluoride and silicon fluoride
over 300℃.
Usage: It can be used as white-adding reagent of porcelain enamel
and glass, melt-supporting reagent, antiseptic of wood, insecticide
in agriculture, moisture absorption reagent of acid tolerance cement,
solidification matter of natural latex products, supplement of electrode
posit trilateral of zinc-ferric nickel, filling substance of plastic.
Also used in artificial cryolite, sodium fluoride production and medical
industry and drinking water treatment.
Specification:
Na2Sif6 (based on dried basis) |
≥99% |
Dissociation acid (as HCl) |
≤0.1% |
Heavy metal (as Pb) |
≤0.02% |
Fe |
≤0.02% |
Water undissolvable substance |
≤0.40% |
Lost weight of 105℃ dried |
≤0.30% |
Passing through 250/μm screen |
≥90% |
Packing: 25 kgs /50kgs p.p woven bag within plastic film. |
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© 2001-2002
China Heqi Indurstry & Trade Co., Ltd. Chengjiang Fluorosilicate Filiale ALL RIGHTS RESERVED
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