It is used for the observation of melting masses during the smelt process. Given some technical facts and medical experiences, the observation glass for furnaces must provide protection against harmful radiation as well as good capacity of observing and recognizing the melting mass, this glass works well for processes of steel casting and is offered in the 2,0mm thickness. It works well under irradiation temperatures of 1.500°C of melting mass, reminding the public that it is irradiation and not glass working temperature. This glass is indicated for the observation of furnaces, filtrating the infrared rays, not being sufficient to retain the ultraviolet rays from welding.
In extreme cases, it can be offered with a gold cover to prevent the self-heating and reducing the own radiation (secondary radiation). Its working temperature resistance is small but since it is used together with borosilicate glasses, it follows the temperature limits of the latter, when in operation. In this case, three gaskets must be used, in the extremes and between the glasses.
Most common uses: metallurgical works, glass casting, chemical industries, porcelain industries and ceramics.
Colour: cobalt blue
Maximum sizes:
- Maximum diameter: 195,0 mm
- Maximum thickness: 2,0 mm
- Rectangular: 300,0 X 200,0 mm.
