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Postassium fluoborate |
- Formula: KBF4
- Relative molecular mass: 125.91
- Character: white powder.density:2.50g/cm3. melting point:530°C. slightly soluble in cold water, hot alcohol and ether, insoluble in alkaline fluid, resolved by strong acid into BF3, melting with alkaline metal and carbonate intofluoride and borate.
- Usage: as flux used in light metal processing for metal surface treatment; as component in the production of aluminum-titanium-boron alloys and for the fabrication of grinding wheel and abrasive disc to reduce operating temperature; as flux used in welding; as fire retardent for cotton and artificial fibre; rodent for the removal of exposed lead in printed circuit board; chemical analytical reagent in electrochemistry; used to melt with silver, gold, stainless steel; as material to produce boron alloys.
- Packing: packed with the plastic woven bag with Polyethyene plastic bag inside, the net weight; 25 kg each bag.
| Specification % |
| KBF4 |
Si |
Cl |
Ca |
Pb |
Mg |
H2O |
| ≥ |
≤ |
| 98 |
0.15 |
0.05 |
0.05 |
0.01 |
0.01 |
0.05 |
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