Product: Potassium Fluorosilicate
CAS NO: 16871-90-2
Molecular formula: K2SiF6
Properties:
White crystal or powder, odorless , tasteless, slight acidic. hexagonal crystal. Relative Density 3.08.
Application:
Wood preservatives. Potassium glass, optical glass and opaque glass used in the manufacture, pesticides used as insecticides, but also for ceramics, synthetic mica.
Specification:
Items
|
Type 1
|
Type 2
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Content (%)
|
99.0 min.
|
98 min.
|
Free acid (H2SiF6) (%)
|
0.1 max.
|
0.5 max.
|
Sulphate (SO4) (%)
|
0.01 max.
|
0.2 max.
|
Chloride (Cl) (%)
|
0.05 max.
|
0.1 max.
|
Heavy metal (Pb) (%)
|
0.005 max.
|
0.01 max.
|
Water insoluble (%)
|
0.1 max.
|
0.5 max.
|
Loss on drying (105ºC/2H)
|
0.2 max.
|
0.5 max.
|
Packing: 25KG bag.
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