::  Potassium Fluoroaluminate
Potassium Fluoroaluminate    
1. Molecular formula:KALF4
2. Molecular weight:142.073
3. Property:white or pale gray powder;slightly soluble in water;hydrogen fluoride released in the reaction to water at 730°C above;dissolved slowly in strong acid to release Hydrogen Fluoride
4. Melting point:570°C
5. Usage:soldering flux for Aluminium and its alloy;flux in glass and ceramic industries
6. Specificatios
Content:AL ≥16%
Impurity level:
Impurity name Index
SO4 ≤0.05%
SIO3 ≤0.2%
Fe ≤0.01%
Pb ≤0.005%
H2O ≤1.5%
250Mesh 95% passed
6. Packing:25Kg plastic woven bag or fibre drum