Temperature: 550°C in the first zone, 600°C in the second zone,
The gas pressure in the furnace tube is controlled between 5~10mm water column greater than the atmospheric pressure,
Ammonia supplementation maintains a reducing atmosphere.
Blue tungsten oxide is Prussian blue.
The yield can reach 98.5%.
More details of tungsten oxide product, please visit website: tungsten-oxide.com
Please contact CHINATUNGSTEN for inquiry and order of tungsten oxide:
Email: sales@chinatungsten.com
Tel.: 86 592 5129595
