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Potassium fluoroaluminate
Potassium fluoroaluminate

Formula: KF.AIF3
CAS NO.: 13775-52-5
Specification:

Grade

Chemical Composition

K/A1

F

K

A1

Na

SiO2

Fe2O3

SO42-

H2O

min

max

High Grade

50

29.5

17.5

0.2

0.06

0.01

0.15

1.5

1.18-1.22

Grade Ι

50

27

19

0.5

0.1

0.01

0.20

1.5

1.0-1.3

Grade ΙΙ

45

26

20

-

-

-

-

0.5

-

NOTE: K/A1 is the molecular ratto beween k and A1
Product Quality: Approaching to advanced French standard, the chemical Formula lies at binary system eutectic point KF·AIF3.
Properties: The product is a white or grey crystalline powder, initial melting: 560°C, solubility in 1000g solution: 0.86g (at 0°C) , 

1.42(at 25°C) and 4.58(at 100°C).
Uses: It is used as a welding flux in aluminium, aluminium alloy and stainless steel; a degasser and an auxiliary solvent in 

aluminium alloy fabrication; also used as an active filler for glass, ceramics and friction compound. Packing: In polyethylene bag and with plastic sack outer, 25kge net each.

 

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