Overview
Potassium Titanium Fluoride (K₂TiF₆) is an industrial inorganic salt composed of potassium, titanium, and fluorine. Primarily manufactured for metallurgical applications, it plays a critical role as a grain refiner in aluminum production. The compound's ability to lower melting points makes it valuable in high-temperature processes. Industrial-grade material typically has a purity of 98-99%, with trace amounts of moisture being the main impurity. Its production involves the reaction of titanium dioxide with hydrofluoric acid and potassium hydroxide, followed by crystallization. The material must meet industry standards such as ASTM E815 for flux applications.
Physical and Chemical Properties
As a crystalline solid, Potassium Titanium Fluoride exhibits high thermal stability up to 780°C before decomposing into titanium fluoride and potassium fluoride vapors. The compound's density of 2.98 g/cm³ makes it heavier than many comparable fluxes. Chemically, it reacts violently with strong acids and oxidizers, requiring careful handling. Its solubility profile shows marked temperature dependence—while only 1.2g dissolves in 100ml of cold water, this increases twentyfold in boiling water. The material's hygroscopic nature necessitates airtight storage to prevent caking and degradation of performance characteristics.
Main Applications
In aluminum smelting, Potassium Titanium Fluoride serves as a crucial additive that improves metal structure by promoting fine, uniform grain formation. Typical addition rates range from 0.1-0.3% of the molten metal weight. The welding industry utilizes it as a coating component for electrodes, where it stabilizes the arc and cleans metal surfaces. Ceramic manufacturers incorporate this compound into specialty glazes to achieve unique optical effects and improved surface hardness. Emerging applications include use in lithium-ion battery electrolytes and as a precursor for titanium-based catalysts. Its non-conductive properties make it suitable for certain electronic ceramics.
Safety and Storage
Being a fluoride compound, Potassium Titanium Fluoride presents significant health hazards including skin corrosion, serious eye damage, and respiratory irritation. Facilities must maintain eyewash stations and acid spill kits when handling this material. Firefighters require self-contained breathing apparatus due to potential hydrogen fluoride gas release during thermal decomposition. Storage recommendations include double-layer polyethylene bags inside sealed metal drums, kept in areas with relative humidity below 60%. Shelf life typically exceeds two years when properly stored. Bulk storage silos should incorporate moisture detection systems and explosion-proof electrical fittings.
B2B Procurement Guide
Industrial buyers should specify required purity levels (standard 98% or high-purity 99.5%), particle size distribution (typically 100-300 mesh), and packaging requirements (25kg bags or 1-ton supersacks). Request certificates of analysis for each batch, including assays for moisture content and insoluble matter. For international shipments, verify compliance with IMDG Class 8 (corrosive) regulations. Consider regional suppliers to minimize transportation costs—major production bases exist in China, Germany, and the United States. Negotiate pricing breaks at quantity thresholds (usually 5MT, 20MT, and full container loads).
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