【Chinatungsten】What is ammonium metatungstate

Ammonium metatungstate (AMT) is a white crystalline powder, soluble in water, insoluble in alcohol. It has no harmful components, it has subacidity, often used in the preparation of tungsten products, catalyst in petroleum industry, nuclear shielding material, also ceramic industry, steel alloy, fire resistant fiber and inhibiter. In recent years, it is also used in emerging industry like semiconductor and thin film.

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