Product Name: Potassium Fluoroaluminate Also known as: Potassium Cryolite
English name: Potassium Aluminum Fluoride, Potassium Cryolite
Chemical formula: K3ALF6 (KALF4) CAS number: 13775-52-5 Molecular weight: 258.28
Properties: white or off-white powder, slightly soluble in water. Solubility in 1000g aqueous solution: 0.8g at 0°C, 1.42g at 25°C, 4.58g at 100°C. The relative density is 2.9-3.0, the melting point is 557°C-580°C, and the molecular ratio is about 1.2. When it encounters strong acid, it can release toxic gas hydrogen fluoride.
Uses: This product is used as brazing flux for aluminum, aluminum alloy and stainless steel, as degasser and flux in the process of aluminum alloy manufacturing, as active filler for glass, ceramics and friction agents, and also used in foundry industry. Used in the automotive industry, in the production of air-conditioning systems, refrigeration systems, household appliances, and connectors. Automotive industry: radiators, oil coolers, condensers, evaporators, heating pipes, battery devices, etc. Home furnishing: kitchen pans, pots, pots, coffee machines, electric irons, dry cleaning machines, etc.
Annual production capacity: 12000 tons.
Transportation requirements: general cargo, keep dry.
Packing: outer woven bag lined with plastic bag, net weight of each bag: 25kg or 1000Kg.
Product specifications: 1. According to the particle size, it can be divided into: powder and granular, powder with 325 mesh and 200 mesh, granular with 0.12-0.5mm, 0.3-0.8mm, 0.5-1.5mm, 1-3mm, also available Customized according to customer requirements. 2. According to the color, it is divided into white and off-white.
chemical composition:
Element | F | Al | K | Fe?O? | SO4 | H?O |
premium product% | 49-51 | 17-18 | 28-33 | ≤0.1 | - | ≤0.6 |
first grade% | 45-51 | 15-19 | 27-35 | ≤0.15 | - | ≤1.0 |