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Why do horizontal cracks appear in the lining?

There is no single answer. There are several possible reasons that we can number as being responsible for the appearance of these cracks:

-  Lining  compaction inappropriate.

- Segregation of the lining.

- Loss of thin through the coil.

- Hanging of the lining from the pan.

What can happen?

Most likely metal infiltration and as a result the furnace should be demolished immediately.

What to do?

Analyse how it has been possible that it has been formed together with the supplier of the lining.