Potassium Fluozirconate
Molecular formula:K2ZrF6 Molecular weight:283.41
Usage: Used for the production of metal zirconium, zirconium compounds, ferroalloys, magnesium aluminum alloys, steel and non-ferrous metal alloys, as well as for the production of atomic energy industry and advanced electrical materials, refractory materials, electric vacuum technology materials, fireworks, ceramics, enamel and glass.
Property: Colorless or white rhombohedral rhombohedral crystal. Specific gravity 3.48, melting point 840 ℃. Can dissolve in hot water, slightly soluble in cold water, insoluble in ammonia, stable in air, does not absorb moisture, does not lose weight when red hot, crystallizes hard, toxic!
CAS#:16923-95-8 Customs number: MSDS:YF0405-04 Hazard code:
Specifications |
Electronic grade |
Export grade |
Industrial grade |
Standard |
Yotech Standard |
Yotech Standard |
Yotech Standard |
Content(K2ZrF6) % |
≥99.7% |
≥99% |
≥98% |
Cl % |
≤0.01% |
≤0.05% |
≤0.2% |
Fe % |
≤0.0005% |
≤0.002% |
≤0.02% |
Pb % |
≤0.0005% |
≤0.002% |
≤0.005% |
HF % |
≤0.001% |
≤0.002% |
≤0.05% |
SO42- % |
≤0.002% |
≤0.002% |
≤0.02% |
Zr(HF)O2 % |
43.3-43.7% |
43.0-43.5% |
42.5-43.2% |
PO43- % |
≤0.01% |
≤0.005% |
/ |
Zr % |
≥31.5% |
≥31.5% |
≥31.0% |
Na % |
≤0.05% |
≤0.10% |
≤0.20% |
Ti % |
≤0.001% |
≤0.05% |
≤0.10% |
SiO2 % |
≤0.05% |
≤0.10% |
≤0.20% |
Water insoluble substances % |
≤0.05% |
≤0.10% |
≤0.25% |
Ignition residue % |
≤0.02% |
≤0.4% |
≤1.0% |
PH value (5% aqueous solution) |
5.5-6.5 |
5.5-6.5 |
4.5-5 |
Central control inspection |
|||
Appearance |
white crystalline powder |
white crystalline powder |
white crystalline powder |
Loss on drying(105℃/2H) % |
≤0.1% |
≤0.2% |
≤0.5% |
Whiteness (70-90um particle size) % |
95% |
90% |
80% |
Grain size (U.S.SCREEN) mesh |
90% pass 40-150 mesh |
90% pass 40-150 mesh |
Not checking |
quality guarantee period year |
three years |
three years |
three years |
Supply reference |
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Production process |
refine |
Synthesis of Fluorozirconic Acid |
Potassium chloride synthesis |
Packaging specifications |
25KG composite paper bag with five layers |
25KG composite paper bag with four layers |
25KG composite paper bag with two layers |
Reference quotation(RMB) Yuan/ton |
36000Yuan/ton |
33000Yuan/ton |
28000Yuan/ton |
Quotation validity period |
three months |
three months |
three months |
Note: Customers' special requirements can be negotiated for specific specifications of production.
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