Applications:
1. Oxidising agent. Catalyst for organic reactions. Iron and steel analysis for rare earth metal specimens. Redox titration analysis.
2. Decolouring glass. Glass enamel opacifier. Heat-resistant alloy.
3. Used as additive in glass industry, as plate glass grinding material, also used in cosmetics to play the role of anti-ultraviolet.
4. It has been expanded to the grinding of spectacle glass, optical lens and picture tube, and it can be used for decolouring, clarifying and absorbing ultraviolet rays and electron lines of glass.