It is produced by mixing high purified magnesia and calcined magnesia olivine and adding binding agent, dispersant and antiknock agent. he product features no joint, ,good endurance to high temperature， good adhesion, strong anti-blowout, erosion resistance, peeling resistance, and weak activity with parent materials.
It is used for manual coating of the tundish work lining.
（1500℃X24h After Firing）Mpa
P.S.: The grain size and specification of the product can be made as required.