Potassium fluosilicate
Molecular formula: K2SiF6 Molecular weight : 220.26
Uses: Wood preservatives. Potassium glass, optical glass and opaque glass used in the manufacture, pesticides used as insecticides, but also for ceramics, synthetic mica.
Property: white crystal or powder, odorless , tasteless, slight acidic. hexagonal crystal. Relative Density 3.08.
CAS#: 16871-90-2 Customs No.: 28262000 MSDS: YF0405-05
Product specification |
Export grade |
Industrial grade |
Standard |
Yotech Standard |
Yotech Standard |
Assay ％ |
≥99.0 |
≥98.5 |
Free acid (H2SiF6) ％ |
≤0.1 |
≤0.5 |
Sulfate (SO42-) ％ |
≤0.01 |
≤0.02 |
Chloride (Cl) ％ |
≤0.05 |
≤0.1 |
Heavy metal
(as Pb) ％ |
≤0.005 |
≤0.01 |
Water insoluble ％ |
≤0.1 |
≤0.5 |
Intermediate inspection |
Loss on dry ％ |
≤0.2 |
≤0.5 |
Whiteness ％ |
85-90 |
≥85 |
Transmission (15％ Aq. solution) ％ |
≥85 |
≥80 |
mesh |
100％ pass 80 mesh |
90％ pass 80 mesh |
Shelf life year |
Two years |
Two years |
Supply reference |
Production process |
99.5％HF synthesis |
99.5％HF synthesis |
Packing |
25kg composite paper bag /20T/(20')FCL |
25kg composite paper bag /20T/(20')FCL |
Specification of price |
FCL |
FCL |
Price CNY/T |
|
|
Validity period of quoted price |
3 months |
3 months |
Note:Special specifications can be specified production.
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