What are the cross-section requirements of clay refractory b

Because the clay refractory bricks continue to be used in refining, the production requirements with the aesthetic and the improvement of practicality and improve. Requirements are also more and more stringent, especially the cross-section, made a specific request.

1, spalling width ≤ 0.5mm is not limited.

2, split width of 0.51 ~ 2mm, the length of not more than 30mm, NG-0.4 grade is not greater than 60MM.

3, are not allowed to have black heart.

Poor clay refractory bricks are produced due to the slackness of their own requirements, and the lack of improvement in technology, and thus will appear defects in the section. Only in accordance with the above requirements for technical requirements and improve in order to produce products in line with market development needs.