Bricks are the most significant construction materials. Mankind has been using them for thousands of years. But when it comes to withstanding high temperatures, normal....
https://www.rhimagnesitaindia.com/blog/refractory-bricks:-overview,-types,-properties,-and-advantages-/4

The term ‘refractory’ denotes the mechanical strength of a particular material, especially at high temperatures. Refractory materials produced by the leading Indian refractory suppliers and....
https://www.rhimagnesitaindia.com/blog/major-types-of-refractories,-characteristics,-and-their-applications-/26