PTFE aluminum potassium (the Potassium Tetrafluoroaluminate): formula: KAlF4, MW: 142.07 
 Six aluminum fluoride the potassium (Potassium Hexafluoroaluminate): Formula: K3AlF6 Molecular Weight: 258.28 
 Uses: mainly used for riveting agent for aluminum and aluminum alloys, glass ceramic industry in flux and friction modifier active filler can also be used as insecticides. 
 Properties: white or light gray powder, slightly soluble in water, toxic. 
 CAS #: the PTFE 14484-69-6 hexafluorophosphate 13775-52-5 
 Product specifications aluminum class welding class export level 
 Implementation of indicators of GB a Yotech the Standard Yotech Standard 
 Content (active ingredient)% ≥ 98.0 ≥ 99.0 ≥ 99.0 
 Aluminum (Al)% 17.25-19 17.5-18.5% 15-18% 
 Potassium (K)% 29.0-31.0 27.0-31.0 28.0-32.0 
 Fluoride (F)% 52.15-55.0 50.0-53.0 48.0-53.0 
 Iron (Fe)% ≤ 0.005 ≤ 0.002 ≤ 0.001 
 Sulfate (SO4)% ≤ 0.05 ≤ 0.05 ≤ 0.02 
 Heavy metals (Pb)% ≤ 01 ≤ 0.001 ≤ 0.001 
 Chloride (Cl)% ≤ 0.1 ≤ 0.02 ≤ 0.01 
 Sodium (Na)% ≤ 2 ≤ 0.2 ≤ 0.1 
 Silicon dioxide (SiO2)% ≤ 06 ≤ 0.002 ≤ 0.002 
 In the control test 
 Appearance of the identification of white powder white powder white powder 
 Loss on drying (105 ° C / 2H)% ≤ 1.5 ≤ 0.5 ≤ 4.0 (300 ° C / 2H) 
 White (70-90um particle size)% ≥ 95 ≥ 90 ≥ 95 
 Melting point ℃ 560-580 550-580 550-560 
 Transmittance (15% aqueous solution)% ≥ 80 ≥ 92 ≥ 98 
 Foreign matter determination ≤ 1mm/10 ≤ 1mm/10 only only ≤ 1mm/10 only. 
 Granularity (USSCREEN) of 90% through 450 mesh and 50% by 1250 mesh 50% through a mesh of 2000