Blue nano tungsten oxide for thermal insulation masterbatch has a large specific surface area, which facilitates the preparation of ultrafine tungsten powder and tungsten carbide powder. This is because the large specific surface area means that the chemical activity is larger. And at the same time, the hydrogen reduction rate is faster.
The specific surface area of blue tungsten oxide refers to the total surface area of the unit mass of blue tungsten oxide powder, which is usually expressed by m2/g. It indirectly reflects the particle size and particle morphology of blue tungsten oxide powder, which is an important indicator to measure the ability of blue tungsten oxide powder to react with gaseous solids during the reduction process.
At present, the technology of tungsten powder and tungsten carbide powder is developing in the direction of ultra-roughening, centralization, ultra-purification, ultra-fineness and even nanometerization. The blue tungsten oxide with large specific surface area will further promote the development of ultrafine tungsten powder and tungsten carbide powder.
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