Potassium Fluorozirconate
Molecular formula: K2ZrF6 Molecular weight : 283.41
Uses: Used for the metal zirconium, zirconium compounds, Iron alloy, magnesium alloy, steel and non-ferrous alloys, and atomic energy industry, and advanced electrical materials, refractories, electric vacuum technology, materials, fireworks, ceramics, enamel and glass production.
Property:Colorless or white orthorhombic needle-like crystals. Specific gravity 3.48 Melting point: 840 ℃. Soluble in water, soluble in cold water, insoluble in ammonia, air stable, non-hygroscopic, red heat without weight loss, the crystallization of hard, toxic!
CAS#: 16923-95-8 Customs No.: 2826909090 MSDS: YF0405-04 Risk No.: 61517
Product specification |
Electronic-grade |
Export grade |
Industrial grade |
Standard |
Yotech Standard |
Yotech Standard |
Yotech Standard |
Assay (K2ZrF6) ％ |
≥99.5 |
≥99.0 |
≥98.0 |
Chloride (Cl) ％ |
≤0.01 |
≤0.05 |
≤0.2 |
Fe ％ |
≤0.0005 |
≤0.002 |
≤0.02 |
Heavy metal
(Pb) ％ |
≤0.0005 |
≤0.002 |
≤0.005 |
Free acid (as HF) ％ |
≤0.001 |
≤0.002 |
≤0.05 |
Sulfate (SO42-) ％ |
≤0.002 |
≤0.005 |
≤0.02 |
Zr(HF)O2 ％ |
43.3-43.7 |
43.0-43.5 |
42.5-43.2 |
Phosphate (PO43-) ％ |
≤0.01 |
≤0.005 |
-- |
Zr ％ |
≥31.5 |
≥31.5 |
≥31.0 |
Na ％ |
≤0.05 |
≤0.10 |
≤0.20 |
Ti ％ |
≤0.001 |
≤0.005 |
≤0.01 |
Silicon (SiO2) ％ |
≤0.05 |
≤0.10 |
≤0.20 |
Water insoluble ％ |
≤0.05 |
≤0.10 |
≤0.25 |
Residue on Ignition ％ |
≤0.02 |
≤0.4 |
≤1.0 |
PH value (5％ Aq. solution) |
5.5-6.5 |
5.5-6.5 |
5.5-6.5 |
Intermediate inspection |
Appearance Identification |
white crystalline powder |
white crystalline powder |
white crystalline powder |
Loss on dry (105℃/2H) ％ |
≤0.1 |
≤0.2 |
≤0.5 |
Whiteness (70-90umGranularity) ％ |
≥95 |
≥90 |
≥80 |
Foreign substance detection |
≤1mm/10 |
≤1mm/10 |
≤1mm/10 |
Granularity (U.S.SCREEN) mesh |
90％ pass 40-150 mesh |
90％ pass 40-150 mesh |
不檢 |
Shelf life year |
Two years |
Two years |
Two years |
Supply reference |
Production process |
Refined |
synthesis of Fluorozirconate acid |
synthesis of Potassium chloride |
Packing |
25KG composite paper bag five layers/16T/(20')FCL |
25KG composite paper bag four-layer /16T/(20')FCL |
25KG composite paper bag 2 layers/16T/(20')FCL |
Specification of price |
FCL |
FCL |
FCL |
Price CNY/T |
|
|
|
Validity period of quoted price |
3 months |
3 months |
3 months |
Note: special requirements are negotiable for customers with specific specifications. |
