Potassium fluoroaluminate(potassium aluminate fluoride)
Formula: nKF.AIF3(n=1-1.2)
Q/SRGF: 003-2011
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.