2.Water treatment;smelt metal
3.Export Turkey,Taiwan,Brunei
4.ISO 9001
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.
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.
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.