Coarse crystal ammonium paratungstate as white crystals, is flake or needle, slightly soluble in water, the solubility in water less than 2% at 20℃, insoluble in alcohol. Coarse grain ammonium paratungstate (APT) as a raw material of powder metallurgy industry, with the continuous increasement of subsequent product performance and quality requirements, domestic and foreign requirements increase by year, and thus it has become a hot seller in recent years.

Coarse ammonium paratungstate features
Coarse grain ammonium paratungstate (APT) as a raw material of powder metallurgy industry, has the features like simple production process, high purity finished products, high density, good flowability, easy storage and so on. With the continuous development of new carbide and filament varieties, its excellent performance makes people come to realize that it will have a profound impact on the performance of the subsequent productions tungsten powder and tungsten carbide products as the physical appearance of the raw material APT.