The Compressive Strength of Refractory Bricks

The compressive strength of refractory bricks includes cold crushing strength and high temperature compressive strength. 

Cold crushing strength of refractory bricks refers to the limit load the refractory brick can withstand per unit area without damage at room temperature. 

 

High temperature compressive strength refers to the limit load the refractory brick can withstand per unit area without damage at a specific high temperature. High temperature compressive strength is an important basis for the selection and application of refractory products. High temperature compressive strength is more important for unburn bricks and castables.

 

Since a certain amount of binding agents or other additives are generally added to these materials, its bonding will produce changes with the increase of temperature. Whether they can meet the operating temperature requirements relies on the indicators to verify.