Fine tungsten disulfide is a tungsten chemical product. Tungsten disulfide (WS2) is mainly used as a lubricant or as a petroleum catalyst. There are many preparation methods for fine particle size tungsten disulfide, including the ammonium tetrathiotungstate method, sulfur method, and the preparation method using WO3 and W powder as raw materials and introducing hydrogen sulfide gas or sulfur vapor. At present, the most commonly used method in industry is ammonium tetrathiotungstate method.
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Fine tungsten disulfide products should be stored in a cool, dry room, avoiding heavy pressure. The powder without surface treatment should not be exposed to the air during use, so as to avoid hygroscopic reunion and affect the dispersion performance and use effect.
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