Calcium tungstate, with the chemical formula of CaWO4, is a white powder. It exists in the form of scheelite in nature.
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Chemical formula：CaWO4
Molar mass：287.93 g/mol
Density：6.062 g/cm3
Melting point：1580°C
Refractive index: 1.93
Structure: White tetragonal crystal, tetragonal crystal structure
Solubility: Slightly soluble in water and ammonium chloride solution, insoluble in ethanol, decomposed in hot hydrochloric acid
Calcium tungstate is a very important chemical raw material, mainly used to produce tungsten products such as ammonium paratungstate, tungsten trioxide, tungsten iron, alloy steel, hard alloy, tungsten material, tungsten wire and tungsten alloy. It is used as a raw material for tungsten series chemical products; it is also used in fluorescent paints, photo screen tubes for photography, medicine, X-ray photos and fluorescent lamps. It is used in fluorescent paints, photo screen tubes for photography, medicine, X-ray photos and fluorescent lamps. Calcium tungstate is also used to make luminous paints, fluorescent lamps, neon lamps, X-ray fluorescent screens, medicine, scintillation counters and lasers.
Our products implement the most stringent quality management system. There are strict inspection standards for incoming materials, processes, final inspections, and factory inspections. Strict isolation measures will be adopted for unqualified processing to prevent unqualified products from flowing into the next process. Samples will be provided to customers according to customer requirements for re-inspection.
Vacuum packaging, the packaging quantity can be provided according to customer requirements and packaged separately.
Keep the storage container sealed. Calcium tungstate is placed in a tight storage container and stored in a cool and dry place.
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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