Necessary conditions for selecting furnace lining materials

What are the necessary conditions for selecting furnace lining materials based on many years of practical operating experience? Answer:

1. First of all, the lining material does not deform or melt at a sufficient temperature.

2. Bisa duwe kekuatan struktural perlu ing suhu dhuwur tanpa ewah-ewahan bentuk softening

3. Volume kudu stabil ing suhu dhuwur, supaya ora nggedhekake lan nyusut nyebabake retak

4. Nalika suhu owah-owahan banget utawa dadi panas ora rata, iku ora bakal kokain lan pil mati

5. Bisa nolak serangan kimia saka solusi logam, slag lan gas tungku