Potassium hexafluorosilicate, chemical formula K2SiF6, is a white crystalline powder with a wide range of uses, especially in the construction, glass and ceramic industries. Due to its unique chemical properties, potassium fluorosilicate has become an indispensable substance in many process flows.
Chemical formula: K2SiF6
Molecular weight: 220.26
Appearance: White fine powder or crystal, odorless and tasteless
Water solubility: slightly soluble in water, insoluble in alcohol, soluble in hydrochloric acid
Density: 2.665 g/mL at 25 °C (lit.)
Melting point: 993℃
Boiling point: 1704℃
1. Used in the manufacture of opalescent glass, porcelain enamel, pesticides, wood preservatives and lead smelting.
2. Used in wood preservation, ceramic manufacturing, aluminum and magnesium smelting, agricultural pesticides.
3. Also used in optical glass manufacturing, synthetic mica and enamel manufacturing, etc.
Toxicity: Potassium fluorosilicate is moderately toxic, with an oral median lethal dose (LD50) of 70mg/kg and 156mg/kg for mice and rats, respectively. Toxic by inhalation, contact with skin and ingestion.
Storage and transportation: Store in a cool, ventilated warehouse, away from fire and heat sources. During transportation, pay attention to rain and moisture protection, avoid collision and extrusion.
Emergency treatment: If it accidentally touches the skin and eyes, rinse immediately with plenty of water and seek medical treatment. In case of fire, use carbon dioxide, sand or fire extinguishing powder to extinguish the fire.
VI HALBLEITERMATERIAL GmbH (VIMATERIAL) employs a stringent quality assurance system to ensure the reliability of our product quality. Strict quality control is implemented throughout the entire production chain, and for defective products, we strictly enforce the principle of rework and redo. Each batch is released only after passing detailed specification tests.
Every batch of our materials is independently tested, and, if necessary, we send samples to certified companies for testing. We provide these documents and analysis certificates with the shipment to certify that our products meet the required standards.
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