Zhengzhou Flworld Chemical Co., Ltd.
China |
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| Products Catalog: Synthetic Cryolite ( with Lowest and Latest Quotation of China) |
(Product Photo) |
| Origin: | China |
| Pack. & Delivery: | 25/50/1000kg plastic woven bags with shrink film, or according to customer’s req |
| Specification: | 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% e 53 53 53
Na% e 32 32 32
Ale 13 13 13
H2O% d 0.4 0.5 0.8
SiO2d 0.25 0.36 0.4
Fe2O3% d 0.05 0 .08 0.10
SO4% d 0.7 1.20 1.30
P2O5% d 0.02 0.03 0.03
Ignite on 550oCd 2.5 3.00 3.00
CaO% d 0.10 0.15 0.20 |
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