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Help CenterPurity 99% White Powder Sodium Silicofluoride 4-06
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Commodity:Sodium Silicofluoride (Sodium fluorosilicate)
Molecularformula Na2SiF6
Molecular weight 188.06
Product Hazard or Harmful Ingredients:It does not combust or explode but has corrosivity and certain toxicity.
Product Physical Properties:The product is white powder crystals and basically neutral. It is difficult to dissolve in water and acid and the density is 2.37g/cm3.
Product Chemical Properties:It is stable under normal temperature. It does not combust nor explode when it is heated or contacts with redox materials.
Spillage Treatment Method:Simple cleaning and burying
Protection Measures for Product Transport & Storage:To prevent from caking and going bad, it should be kept indoor or be covered with protection materials like canvas and free from the blazing sun.
Packing :Knitted bags lined polyethylene plastic bags double packaging, Weighing 25Kg/50KG/1000Kg/1200kg.
Other Information: Anti-caking agent can be added at the request of customers.
Item |
Excellent grade |
Grade I |
Grade II |
Sodium fluorosilicate(based on dry) |
% ≥ 99.0 |
% ≥ 98.5 |
% ≥ 97.0 |
Iron(Fe) |
% ≤0.02 |
|
|
Free acid(based on HCI) |
% ≤ 0.1 |
% ≤ 0.15 |
% ≤ 0.20 |
Heave metal(based on Pb) |
% ≤0.02 |
% ≤0.05 |
% ≤0.05 |
Water-insoluble matter |
% ≤ 0.40 |
% ≤ 0.50 |
% ≤ 1.00 |
Loss on Drying at 105°C |
% ≤0.3 |
% ≤0.4 |
% ≤0.6 |
Fineness(through 250μm test bolter) |
% ≥90 |
% ≥90 |
% ≥90 |
Sulphate (as SO4) |
% ≤ 0.4 |
% ≤ 0.5 |
% ≤ 0.5 |
Usage: To be designed for pesticides, milk whitening agent forenamel, corrosive agent for milk white glass, the anti-corrosive agent fortimber and other fluoride raw materials. It's also used in smelting ofberyllium and aluminum, as well as medicine, rubber, and leather industries,etc.
Max Loading net weight in 1 x 20fcl: 25MT
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