Home > Products MgO-C Bricks for BOF MgO-C Bricks for EAF MgO-C Bricks for Ladle Al2O3-MgO-C Bricks for Ladle Alumina-SiC-C for Torpedo MgO-C Bricks for RH Furnace Castables for Blast Furnace Trough Castables Repairing material for BOF Ramming Mix for EAF Bottom Gunning Mix for Converter and Ladle Raw Material Slide Gate Plate Lower/Upper Nozzle Brick   Matcrial cortrodom castable high almnina castable corundum-spinei castable corundum castable Al2O3-MgO castable AL2O3-Cr2O3 castable Brand JHR-C21 JHR-C22 JHR-C23A JHR-C23B JHR-C23C JHR-C24A JHR-C24B JHR-C24C Pby.chemproty Standard Standard Standard Standard Standard Standard Standard Standard Chem Compn% Al2O3 ≥97 ≥85 ≥90 ≥75 ≥72 ≥96 ≥90 ≥93 MgO - - ≥6 ≥7 ≥9 - 3～6   Cr2O3 - - - - 1～3 - - 3～5 Cao ≤1.5 ≤1.5 ≤1.8 ≤1.8 ≤1.8 ≤2 ≤1.8 ≤1.2 Bulk density g/cm3 110℃*24h ≥3.10 ≥2.85 ≥3.00 ≥2.90 ≥2.90 ≥3.05 ≥3.00 ≥3.15 1500℃*3h ≥3.00 ≥2.80 ≥2.90 ≥2.85 ≥2.85 ≥2.95 ≥2.90 ≥3.05 Cold Crushing Strength(MP3) 110℃*24h ≥50 ≥80 ≥50 ≥60 ≥40 ≥80 ≥40 ≥40 1500℃*3h ≥70 ≥100 ≥70 ≥80 ≥60 ≥100 ≥60 ≥60 Modulus of Rupture(Mpa) 110℃*24h ≥7 ≥10 ≥7 ≥6 ≥6 ≥10 ≥7 ≥8 1500℃*3h ≥9 ≥12 ≥9 ≥10 ≥8 ≥12 ≥9 ≥10 Permanent Liner change after heating 0～±1.0 0～±1.0 0～±1.0 0～±1.0 0～±1.0 0～±1.0 0～±1.0 0～±1.0 Application roof of ultra high power electric are furnace lander of electric are furnace ladle bottom ladle wall lower slag line DH RH snorkel CAS pipe rnonolithic lance Above data are our standard specification, And there is a series products for a single grade bricks to meet the consumers' different demands.