[name] potassium fluorosilicate [16871-90-2]
[English name] potassium silicofluoride
[Molecular formula] K2SiF6
[Molecular weight] 220.27
[Property] White crystal or powder, odorless, odorless, toxic, slightly acidic. Hexagonal system. The specific gravity is 3.08, it is hygroscopic, slightly soluble in water, soluble in hydrochloric acid, and the solubility increases slightly with the increase of temperature. Decomposes into potassium fluoride and silicon tetrafluoride when hot. Hydrolyzed to potassium fluoride, hydrogen fluoride and silicic acid in hot water.
[Use] Wood anti-corrosion, ceramic manufacturing, aluminum and magnesium treatment, and the production of optical glass such as potassium glass, and also used as raw materials and anti-corrosion materials for synthetic mica.
[Packaging] Plastic woven bags lined with polyethylene plastic bags, 25kg/bag and 50kg/bag.