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ZhengzhouFlworld Chemical Co.,Ltd.

 
 
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synthetic cryolite (with lowest and latest quotation of China) 

  Category : Chemicals->chemical industrial materials

     
synthetic cryolite (with lowest and latest quotation of China)
       

  Product Specification
 
  Model No:      synthetic cryolite
  Country  0
  Packing  package can be 25/50/1000kg plastic woven bags with shrink film, or according to customer's requirements.

 

    Product Detail
  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% min 53 53 53
Na% min 32 32 32
Al min 13 13 13
H2O% max 0.4 0.5 0.8
SiO2 max 0.25 0.36 0.4
Fe2O3% max 0.05 0.08 0.10
SO4% max 0.7 1.20 1.30
P2O5% max 0.02 0.03 0.03
Ignite on 550 max2.5 3.00 3.00
CaO% max 0.10 0.15 0.20

   


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