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Synthetic cryolite
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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 25/50/1000kg plastic woven bags with shrink film, or according to customer¡¯s requirements.
4> Specifications: GB4291-1999
Ingredient Super First grade Second grade
F%¡Ý 53 53 53
Na% ¡Ý 32 32 32
Al¡Ý 13 13 13
H2O%¡Ü 0.4 0.5 0.8
SiO2¡Ü 0.25 0.36 0.4
Fe2O3%¡Ü 0.05 0.08 0.10
SO4%¡Ü 0.7 1.20 1.30
P2O5%¡Ü 0.02 0.03 0.03
Ignite on 550oC¡Ü 2.5 3.00 3.00
CaO%¡Ü 0.10 0.15 0.20
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| Company: |
Zhengzhou goldenstar Chemicals Co., Ltd
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| Contact: |
Ms. lyra song |
| Address: |
No.9, WenlaoRoad., Zhengzhou,China |
| Postcode: |
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| Tel: |
8637167268929802 |
| Fax: |
8637165688165 |
| E-mail: |
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