Product Name: Potassium Fluoroaluminate (Potassium Cryolite)
English name: Potassium fluoroaluminate (Potassium Cryolite)
Chemical formula: K3AlF6
CAS number: 13775-53-6
Molecular weight: 258.28
Executive standard: industry standard
Properties: white or light gray powder, slightly soluble in water. The relative density is 2.9-3.0, and the melting point is 557-580°C. When it encounters strong acid, it can release toxic gas hydrogen fluoride.
Uses: Used as brazing flux for aluminum, aluminum alloy, stainless steel, degassing agent and flux in aluminum alloy manufacturing process, also used as active filler for glass, ceramics and friction agent.
Packing: outer woven bag lined with plastic bag, net weight of each bag is 25kg, 50kg or 1000kg.
chemical composition:
Element | F | Al | K | Fe2O3 | SO4 | H2O |
premium product% | 49-51 | 17-18 | 28-33 | ≤0.1 | - | ≤0.6 |
first grade% | 45-51 | 15-19 | 27-35 | ≤0.15 | - | ≤1.0 |
Granularity specification:
(1) 0.2mm-0.5mm (5) 40 mesh
(2) 0.5mm-1.5mm (6) 80 mesh
(3) 0.2mm-1.0mm (7) 200 mesh
(4) 1.0mm-3.0mm (8) 325 mesh
It can also be customized according to customer requirements.