Is a non-metal materials That is resistant to high temperature applications. And does not change shape when exposed to high heat.

1. Unchangeable even in high temperatures and heavy duty
2. Resistance to abrasion by wind, fire or solid materials at temperatures up.
3. Resistance in chemical corroding and fusion compound

are Alumina and Silica, which have high melting point compound.

1.Refractory Brick
2.Mortar
3.Castable
4.Plastic
5.Ramming Mass
6.Gunning Mix