Potassium Fluoaluminate
Product Name: Potassium Fluoaluminate
CAS No.: 13775-52-5
Molecular Formula: K3AlF6
Package: 25KG/Bag
Application: It is used as welding flux in aluminum alloy and stainless steel, a degasser and an auxiliary solvent in aluminum alloy fabrication, also used as an active filler for glass, ceramic and friction compound.
Specification
Index Name |
Premium Grade |
First Grade |
Qualified |
Potassium fluoride (KF)% |
≥99 |
≥98 |
≥96 |
Potassium Chloride(Cl) |
≤0.33 |
≤0.5 |
≤0.7 |
Moisture % |
≤0.3 |
≤0.4 |
≤0.5 |
Free acid (HF) % |
≤0.1 |
≤0.1 |
≤0.1 |
KOH % |
≤0.1 |
≤0.1 |
≤0.1 |
Sulfate (SO42-) % |
≤0.1 |
≤0.2 |
≤0.3 |
Fluoride silicate (H2SiF6) % |
≤0.1 |
≤0.2 |
≤0.3 |
Iron Fe% |
≤0.01 |
- |
- |