synthetic cryolite aluminium potassium fluoride price
sodium silicofluoride for wood preservative 99%
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Product Description
sodium silicofluoride for wood preservative 99%
Product Identification
--Synonyms: Disodium Hexafluorosilicate.
--CAS No.: 16893-85-9
--Molecular Weight: 188.06
--Chemical Formula: Na2SiF6
--Molecular Weight: 188.06
--Chemical Formula: Na2SiF6
--UN NO.:2674
Properties
--Specific weight is 2.68; slightly soluble in water, insouble in alcohol, corrosive and toxic;
--It would decompose into sodium fluoride and silicon tetrafluoride if ignited to over 450°C.
--Toxic!
--It would decompose into sodium fluoride and silicon tetrafluoride if ignited to over 450°C.
--Toxic!
Application
--In pharmacy and fluoridation of drinking water .
--Opalizer and fluxing agent in glass and Vitreous enamel frits.
--Filling agent in plastic.
--Coagulating agent in natural rubber and latex products
--Additive in metallurgy of aluminium and in clad layer of galvanized zinc,nickel,iron.
--Instead arsenious Insecticides and rodenticides as pest control in agricultural.
--Leather and wood preservatives.
--Main raw material for producing acidproof cement and diabase plate
--Opalizer and fluxing agent in glass and Vitreous enamel frits.
--Filling agent in plastic.
--Coagulating agent in natural rubber and latex products
--Additive in metallurgy of aluminium and in clad layer of galvanized zinc,nickel,iron.
--Instead arsenious Insecticides and rodenticides as pest control in agricultural.
--Leather and wood preservatives.
--Main raw material for producing acidproof cement and diabase plate
Items
|
Standard Index
| |||
Appearance
|
Super Grade
|
First Grade
|
Eligible grade
| |
Sodium Silicofluoride % ≥
|
99.0
|
98.50
|
97.0
| |
Iron (Fe) % ≤
|
0.02
|
/
|
/
| |
Loss of Weight on Drying at 105°C % ≤
|
0.30
|
0.40
|
0.60
| |
Insoluble in Water % ≤
|
0.40
|
0.50
|
1.0
| |
Free Acid (as HCL) % ≤
|
0.10
|
0.15
|
0.20
| |
Heavy Metal (as Pb) % ≤
|
0.02
|
0.05
|
0.05
| |
Fineness Passed 250mesh Sieve
% ≤
|
90
|
90
|
90
| |
Packaging & Shipping
sodium silicofluoride for wood preservative 99%
In Plastics Bag then to woven Bags. N.W.: 25 kgs for each bag.
Shanghai yixin trading here, exporting inorganic chemicals with good quality and low price in european countries..
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