Place of Origin:
JIAOZUO CITY OF HENAN PROVINCE OF PRC
Brand Name:
EVERSIM
Certification:
ISO 9001
Model Number:
CH-1/CM-1
White Powder Synthetic Cryolite Na3AlF6 For Additives Of Grinding Products
Physical properties: colorless triclinic crystals. White powder or orthorhombic great six-sided crystals. Density 3.00g / cm3. Melting point 1040 ℃. Boiling Point (sublimation) 1272 ℃. There are several hydrates exist; slightly soluble in water, soluble in hot water. Difficult to dissolve in acid and alkali solution, insoluble in most organic solvents. It can be heated to 300-400 ℃ steam partial decomposition of hydrogen fluoride and alumina. There are three hydrates, namely monohydrate, trihydrate and nine water thereof.
| Name of Product | : | Sodium Cryolite |
| Formula | : | Na3AlF6 |
| Mol. Wt | : | 209.97 |
| CAS No. | : | 15096-52-3 |
| Appearance | : | Off white free flowing powder |
| Solubility | : | Insoluble in water |
| Melting Point | : | 1000 OC |
|
Sieve Grading/Density - 200 BSS (75 mm) |
: | 90 % |
| %Na3AlF6 | : | 98.00 % Min |
| % Fluorine | : | 53.00 % Min |
| % Aluminium | : | 13 - 14 % |
| % Sodium as Na | : | 31 – 34 % |
| % Moisture | : | 00.10 % Max |
| % Iron as Fe2O3 | : | 00.10 % Max |
| % Silica as SiO2 | : | 00.20 % Max |
25 / 50 Kg plastic woven bags with liner / Bulk packing of 1 MT
Sodium Cryolite salts are used as solvent for bauxite in the electrolytic production of aluminum; other metallurgical applications such as foundry additives for aluminum foundry, sleeves, cover flux; filler for bonded abrasives glass and enamel industries; in the manufacture of insecticides.
1. Used as pesticide in agriculture .
2. Used as bactericide in brewing industry .
3. Used as wood preservative , pharmaceutical preservative .
4. Used as welding flux .
5. Used as alkaline zincate galvanized additive .
6. Used in papermaking and ceramic industry .
7. Used as phosphate coating windustry accelerator, resulting a stable phosphate solution , phosphate refinement , improved phosphate coating performance .
(Aluminum and its alloys phosphate in great danger of closure with negative catalytic Al3 + .)
| Item | Standard Spec.(%) | Test result |
| Appearance | White powder | White powder |
| Sodium fluoride(NaF) | ≥98 | 98.7 |
| Silicon dioxide (SiO2) | ≤0.5 | 0.46 |
| Sulfate (SiO4) | ≤0.3 | 0.06 |
| Acidity (HF) | ≤0.1 | 0.05 |
| Sodium carbonate(Na2CO3) | ≤0.5 | 0.12 |
| Water insoluble matter | ≤0.5 | 0.45 |
| Water(H2O) | ≤0.5 | 0.12 |
| Mesh size | 80-200mesh | 100mesh |
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