Inorganic fluorine chemical
Industrial Potassium Fluoride
[Molecular Formula] KF
[Molecular Weight] 58.10
[Properties]
Colorless cubic crystal, melting point: 858°C,easy soluble in water, soluble in hydrofluoric acid and liquid ammonia, its aqueous solution is acidic.
[Uses]
It is used as etching agent for glass, antiseptic agent for food, solvent in welding, insecticide, fluorizating agent, absorbent, analytic reagent and raw material to produce potassium acid fluoride, etc.
[Quality Index] GB4293-84
|
Item
|
Excellent Grade
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First Grade
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Second Grade
|
|
KF, % ≥
|
97.0
|
95
|
84
|
|
Free Acid(HF), %≤
|
0.7
|
3
|
10
|
|
Free Alkali(K2CO3),%≤
|
0.3
|
0.5
|
2.0
|
|
Moisture(H2O), %≤
|
0.3
|
0.5
|
1.0
|
[Package] Plastic woven bag lined with high-pressure polyethylene plastic bag, net weight: 50kg/bag.
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