Name of Product: Potassium Fluoroaluminate
Molecular Formula: nKF.ALF3(n=1-1.2)
Molecular Weight: 186+58n(n=1-1.2)
Exterior /Appearance: The product is a white or grey crystalline powder.
Property: its chemical formula lies at binary system eutectic point KF.ALF3. Solubility in 1000g water solution: 0.86g , 1.42g , 4.85g . Melting point: initial melting point 560.
Usage: It is used a welding flux in aluminum, aluminum alloy and stainless; a degasser and an auxiliary solvent in aluminum alloy fabrication; also used as an active filler for glass, ceramics and friction compound.
Packing: In polyethylene bag with woven plastic sack outer, 25kg or 1000kg net each. Or up to dustomers request.
HS Code: 28269000
Specifications: (refer to the standard Q/OHNN010-2002)
K: 29-33%, AL: 16-20%, F: 44-50%
Impurity composition:
|
Impurity name
|
Index
|
|
SO4
|
≤0.20%
|
|
SIO2
|
≤0.20%
|
|
Fe2O3
|
≤0.01%
|
|
Pb
|
≤0.005%
|
|
H2O
|
≤1.5%
|
|
K/Al
|
1.0-1.3
|
Note: K/Al is the molecular ratio between K and Al.
Caution at transportation: common chemicals, non-hazardous.
Casno.:13775-52-5
