|
|
Sell: Synthetic Cryolite |
Date: |
2008-12-17 |
Cas#: |
13775-53-6 |
Specification: |
|
Price: |
|
Quantity: |
Kilogram |
Term: |
365 |
Note: |
Synthetic Cryolite
Synonym: Sodium Fluoroaluminate
Molecular formula: Na3AlF6
molecular weight: 209.94
1> Properties: it is crystalline white powder. Slightly soluble in water, density 2.95-3, melting point 1000oC, easily absorbing water and become damp, decomposed by strong acids like sulfuric acid and hydrochloride, then producing hydrofluoric acid and relevant aluminum salt and sodium salt.
2> Uses: mainly used in flux of electrolytic aluminum, pesticide, flux of ceramic colors, anti-rubbing filling agent of resin and rubber, electrolytic liquid for production of iron alloy rimmed steel and furnish of emery wheel.
3> Packing: package can be 25/1000kg plastic woven bags with shrink film, or according to customers requirements.
4> Specifications: GB4291-1999
Ingredient Super First grade Second grade
F%芒鈥奥?53 53 53
Na% 芒鈥奥?32 32 32
Al芒鈥奥?13 13 13
H2O%芒鈥奥?0.4 0.5 0.8
SiO2芒鈥奥?0.25 0.36 0.4
Fe2O3%芒鈥奥?0.05 0.08 0.10
SO4%芒鈥奥?0.7 1.20 1.30
P2O5%芒鈥奥?0.02 0.03 0.03
Ignite on 550oC芒鈥奥?2.5 3.00 3.00
CaO%芒鈥奥?0.10 0.15 0.20 |
|
|