氟硅酸盐系列氟硅酸钾
| Items | Unit | Standard-A | Standard-B | Standard-superfine | |
|---|---|---|---|---|---|
| Main content [K2SiF6] | % ≥ | 99.00 | 98.00 | 99.00 | |
| Chloric acid [HCl] | % ≤ | 0.100 | 0.100 | 0.100 | |
| Sulfate [SO4] | % ≤ | 0.050 | 0.050 | 0.050 | |
| Silicon [Si] | % ≤ | 0.400 | 0.400 | 0.400 | |
| Calcium [Ca] | % ≤ | 0.010 | 0.010 | 0.010 | |
| Heavy metal [Pb] | % ≤ | 0.050 | 0.100 | 0.100 | |
| Chloride [Cl] | % ≤ | 0.050 | 0.050 | 0.050 | |
| Iron [Fe] | % ≤ | 0.050 | 0.050 | 0.050 | |
| Moisture [H2O] | % ≤ | 0.100 | 0.500 | 0.050 | |
| Insoluble matter in water | % ≤ | 0.500 | 0.500 | 0.500 | |
| Particle Size | +60mesh | % | 4.500 | 4.500 | 4µm-8µm |
| -60mesh/+200mesh | % | 74.50 | 40.50 | ||
| -200mesh/+325mesh | % | 17.00 | 40.00 | ||
| -325mesh | % | 4.000 | 15.00 | ||
| Appearance | White free-flowing crystal | Powder | Superfine | ||
Packed in 25kgs,50kgs 1250kgs paper bag
CAS Number: 16871-90-2
Formula : K2SiF6
Application:
Fluxing agent in the production of frites and enamels,
opalescent glass and enameled porcelain.
Acid-resisting cement.
