Shenyang Huijinfengda Chemical Co., Ltd.

China Manufacturer with main products: Chemical Auxiliary Agent, Rubber Accelerator

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cryolite na3alf6 inorganic chemical 15096-52-3

FOB Price: 700.00 - 1,000.00 USD/Ton
Supply Ability: 200 Ton/Tons per Month
Shipping: within 15 working days after receiving deposit
Payment Terms: L/C, T/T, Western Union
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Packaging Details: In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag.

Quick Details

  • CAS No.: 13775-53-6
  • Other Names: Kryocide,Greenland spar,ice stone
  • MF: Na3AlF6
  • EINECS No.: 239-148-8
  • Grade Standard: Agriculture Grade,Industrial Grade
  • Purity: 98% & 99%
  • Appearance: white, gray or pink powder
  • Application: as flux in aluminum smelting
  • Brand Name: HJFD

Specifications

Specifications

1.sodium cryolite manufacturer
2.Reliable Supplier
3.Competitive price
4.SGS

Specification

 

 

1. Physical and chemical properties of kryocide:

 

The product is a white crystalline powder or a sandy-size granularity, and a pinkish crystalline powder or a sandy-size granularity as well. Sp.gr.2.95—3.05g/cm3, melting point about 1025°C, specific heat 1.056j/g°C at 18—100°C. It's slightly soluble in water, but insoluble in anhydrous hydrogen fluoride. The content of its crystal water will be decreased while the increasing of the molecular ratio, therefore its loss on ignition will be also decreased while the increasing of the molecular ratio. After the paste of synthetic cryolite with different molecular ratio dehydrates, the loss on ignition at 800°C will appear 10.34%, 6.22% and 2.56% when the molecular ratio reaches 1.74, 2.14 and 2.63 reactively.

 

 

 

2. Usage of kryocide:

 

It's mainly used as a flux in the aluminum smelting by fused-salt electrolysis; also an opalizer in the manufacture of enamel; an opacifier and auxiliary solvent of glass and enamel; an insecticide of crops; a flux in aluminum alloy casting; and in the production of ferrous alloy and effervescing steel; as well as a wear-resistant filler for resin and rubber-boned abrasive wheels.

 

 

3. Specification of NA3ALF6:

 

 

Molecular Formula

Na3AlF6

Molecular Weight

209.94

 

 

Properties

It is a colorless monoclinic crystal, but often appears off-white, pompadour, straw yellow or black due to impurities. It has relative density of 2.9-3.0, mp 1000. It is slightly soluble in water, and its aqueous is acidic. It decomposes to release poisonous HF gas while meeting sulfuric acid.

 

Usages

It is used as flux in aluminum smelting, cropper insecticide, flux and whiting agent of enamel glaze. It is also used in the manufacture of milky white glass, aluminum alloy and boiling steel. Its used as ingredient of grinding wheel.

 

 

 

 

 

 

 

Specification

Parameter

 

Superfine

Grade

Grade

Fluorine (F)

53

53

53

Aluminum (Al)

13

13

13

Sodium (Na)

32

32

32

Silicon Oxide (SiO2)

0.25

0.36

0.40

Ferric Oxide (Fe2O3)

0.05

0.08

0.10

Sulfate (SO42-)

0.7

1.2

1.3

Calcium Oxide (CaO)

0.10

0.15

0.20

Phosphorus Pentoxide (P2O5)

0.02

0.03

0.03

Water (H2O)

0.4

0.5

0.8

Packing

In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag

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