generally used in laboratories or industrial cement production, steel plants and other high- temperature furnace mouths.
The addition of cobalt blue gave the glass a special blue color, so it was named blue cobalt glass.
The production process of blue cobalt glass is special. Special glass made adding "cobalt blue" ( the main component is cobalt metaaluminate: ( AlO2 ) 2 ) in the production process.
When observing the flame color reaction of potassium, necessary to pass through the blue cobalt glass, because the potassium compound is not, and often mixed with some impurities, such as sodium ( not easy to separate ).
Blue cobalt glass is a kind of observation lens, which mainly plays a role of filtering and protecting. please feel to , we will reply to your email within 24 hours.