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Commercial Grade Potassium Aluminium Fluoride For Degassing Agent And Flux

Categories Potassium Cryolite
Brand Name: Jinshengwei
Model Number: Grade1
Certification: ISO 9001
Place of Origin: Jiaozuo City,China
MOQ: 1 metric ton
Price: USD 980-1020 per ton
Payment Terms: T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability: 1000 tons per month
Delivery Time: 5-8 work days
Packaging Details: 1, PP bag inside PE bag 2, 25kgs/50kgs/1000kgs net weight,or as customized
H.S. Code: 2826909090
Color: White/Gray
Appearance: Powder/Sand/Granular
Melting Point: 560℃
Usage: Fluxing Agents/Solder Agent/Degassing Agent
Application: Electrolyte,Abrasives,Aluminum,Ceramic
Molecular Weight: 258.24
Size: 20-325mesh, as customized
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Commercial Grade Potassium Aluminium Fluoride For Degassing Agent And Flux

Potassium Cryolite as degassing agent and flux in aluminum alloy fabrication


Application:

Potassium Aluminum Fluoride is a commercial grade fused solid, inorganic salt. The material serves as an alternative to conventional fluoride salts for a variety of applications.The fluoroaluminate is formed by reacting anhydrous hydrofluoric acid with aluminum hydroxide, then reacting with potassium hydroxide at a high temperature, filtering, drying, melting, and crushing. It can also be prepared by reacting aluminum fluoride, ammonium fluoride and potassium chloride.


Essential Specification


AppearanceWhite triclinic crystal or powder
Molecular FormulaAlF3
Molecular weight83.976
CAS7784-18-1
EINECS232-051-1
Packingplastic woven bag lined with double plastic bag, net weight 25kg /50kg per bag.
Capacity2000 Metric Ton/Metric Tons per Month

Specification


Brand No.


Chemical Constituent(mass fraction)%


Physical Properties
FAlNaSiO2Fe2O3SO42-P2O5Loss of IgnitionApparent Density(g/cm3)
≥ ≤ ≥
AF-061.0031.500.300.100.060.100.300.501.50
AF-160.0031.000.400.300.100.600.041.001.30
AF-258.0029.002.800.300.121.000.045.500.70
AF-358.0029.002.800.350.121.000.045.500.70

Physical properties


1Aluminum fluoride is available as white powder or crystal with density of 3.00g/cm3, melting point is 1040°C, boiling point is 1272°C.
2It is slightly soluble in water, hardly soluble in acid and alkali solution, insoluble in most organic solvents, also insoluble in hydrofluoric acid and liquefied hydrogen fluoride.
3The property of anhydrous aluminum fluoride is very stable.
4It doesn’t react with liquid ammonia or concentrated sulfuric acid by heating to fuming and doesn’t changeable when co-melted with potassium hydroxide.
5It is not reduced by hydrogen and doesn’t decompose through heating but it may sublime.
6It can be hydrolyzed partly to hydrogen fluoride and aluminum oxide in the vapour of 300-400°C.

Application


1Aluminum fluoride is used as auxiliary ingredient of electrolyte during the production of electrolytic aluminum to decrease the melting point and increase the conductivity of electrolyte.
2it is a flux for non-ferrous metal, as a zymotic inhibitor in the alcohol and essential oil production and as a fusing assistant for ceramic, enamel and the component of glaze.
Packaging & Shipping

Packing: PP bag inside PE bag,25kgs/50kgs/1000kgs net weight






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