|
Molecular Formula
|
KBF4 |
M.W.
|
125.91
|
|
Property
|
White powder, no deliquescence, bittering; crystalization from aqueous solution; slightly soluble in water and hot ethanol; insoluble in cool ethanol; decomposes at melting point; reacts with strong acids to produce BF3; reacts with alkaline metal carbonates to produce fluoride and borate; toxic.
|
|
Appearance
|
White powder
|
|
Specification
|
%
|
| item |
Spec. |
| KBF4 |
98.5 min. |
| Si |
0.4 max. |
| Na |
0.1 max. |
| Fe |
0.03 max. |
| Free acid (HBF4) |
0.2 max. |
| Chloride (Cl) |
0.1 max. |
|
|
Use
|
Welding flux, sand-casting of aluminum and magnesium, grinding aid in resinoid grinding wheels; flux for soldering and brazing, electrochemical processes and chemicals.
|
|
Storage
|
Store with seal hermetically, prevent wet and exposure to sunlight.
|
|
Packing
|
Woven bags lined with plastic bag.25Kg net each. |
|
Price(USD/MT)
|
Negotiable
|
|
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