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What is the use of ammonium fluorotitanate
info:www.hongjiafu.net  |  Release time:2026-10-13
       Ammonium fluorotitanate, also known as ammonium hexafluorotitanate, is a white crystalline inorganic fluorotitanium salt that can be used as a source of titanium and fluorine. It is widely used in industries such as metal surface treatment, electronic semiconductors, ceramic glass, chemical synthesis, etc. Its specific uses are as follows:
1. Metal surface treatment (core application areas)
1. Aluminum alloy anodizing additive: added to the chromic acid system and anodizing tank solution, it forms a titanium containing conversion film on the surface of the aluminum material, improves the hardness and corrosion resistance of the oxide film layer, enhances the adhesion between the paint film and the substrate, and is commonly used for pre-treatment of aluminum profiles, lightweight aluminum parts for automobiles, and 3C aluminum shells.
2. Etching, passivation, and coloring of titanium alloys: As a surface treatment agent for titanium alloys, it is used for surface micro etching and surface modification of titanium components in the aviation and new energy fields, uniformly regulating the surface microstructure and improving corrosion resistance.
3. Anti corrosion treatment of steel and zinc materials: Adding anti-corrosion treatment solution to form a protective conversion layer on the surface of steel, zinc, and lead metals, improving the corrosion resistance of the substrate. It can also be used as a anti-corrosion cleaning agent for metal workpieces to remove surface oxidation impurities.
4. Light metal smelting penetrant: used in light metal smelting processes to assist in improving the crystal structure of metals.
2. Electronics and Semiconductor Industry
1. Semiconductor wet chemical reagent: Electronic high-purity ammonium fluorotitanate can be used for wet etching and cleaning processes of wafers. As a functional agent containing titanium and fluorine, it is used for etching and surface control of thin films.
2. Electronic ceramics and functional powder precursors: As titanium source raw materials, electronic ceramic powders such as barium titanate and strontium titanate are synthesized for the preparation of chip capacitors and varistor substrates.
3. Precursor raw materials for photovoltaic target materials: Preparation of high-purity titanium oxide for the preliminary synthesis of photovoltaic titanium targets and optical coating materials.
3. Ceramic and glass industry
1. Ceramic glaze additive: Introducing titanium element, reducing the firing temperature of glaze, improving the glossiness and whiteness of glaze surface, enhancing the wear resistance of glaze layer, and improving the bonding between ceramic body and glaze.
2. Special glass production: used as a glass opalescent agent to adjust the refractive index and heat resistance of glass, for the preparation of titanium containing optical glass; Also used for glass surface etching and surface modification treatment.
3. Raw materials for synthetic gemstones: High temperature reaction is used to prepare synthetic gemstones (artificial ruby, sapphire), which regulate crystal color and internal structure.
4. Chemical synthesis and analysis testing
1. Chemical intermediates: used to prepare other titanium fluorides such as potassium fluorotitanate, sodium fluorotitanate, and various titanates, and can also be used as fluorinating agents to participate in some inorganic synthesis reactions.
2. Laboratory analysis reagents: used for spectral analysis, chemical detection, as titanium element standard samples, and precipitation reaction reagents.
3. Catalyst and Carrier Raw Materials: Preparation of titanium based catalysts and catalyst carriers, applied in some organic synthesis reactions.
5. Other supporting applications
Preparation of raw materials that can be used for flame retardant materials; As a precursor material for some inorganic coatings, titanium dioxide nano functional powders are prepared.

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