refractory brick

Product Description

1.High heat resistance ***** Al2O3 content *8~*5%, 3.Low thermal conductivity 4.Low apparent porosity 5, High Compression strength ***** and irregular shape specifications *0 *5 *0 Al2O3 (%) ≥*0 ≥*5 ≥*0 apparent porosity(A.P.%) ≤*7 ≤*7 ≤*7 density(B.D g/cm3) ≥2.*0 ≥2.*6 ≥2.*8 Compression strength ***** ≥*0 ≥*8 ≥*5 Refiring line change(%) ***0°C/2h 0.*- *0.5 0.*- *0.5 0.*- *0.5 refractoriness under load (°C) 0.2Mpa ≥***0 ≥***0 ≥***0 refractoriness ≥***0 ≥***0 ≥***0 Dashan Group will interest in working together with worldwide trader and end users to create a better future for continuous casting, base on our high technology and careful service, your will get longtime benefit Any details welcome to contact with us.