refractory brick

refractory brick Used as functiona refractory material for iron and steel industry ,it is an upgrade to conventional sliding nozzle,using the domestically most advanced technology of nitiding reaction in the field.It is especially suitable for multi-heat casting in cc process. We can supply ladle sliding nozzle ,related products of top and bottom nozzles,brick for ladle seat and other product of the type,fast-change sliding plate for tundish and matching parts such as core block of composite sliding plate and patching block.We can also select suitbale material to satisfy specific requirements from customers. ItemSialonalumina-zirconia-carbonalunina-carbonmagnesia-spinel-carbonmagnesia-carbonMgO %≥88≥20≥66≥25≥84Al2O3 %≥75≥78≥60≥88≥85≥80≥75≥20≥62ZrO2 %≥2.5≥10≥6≥6C%≤7≤7≤6.0≤4.5≤4.5≤4.5≤3.00≤2.98≤3.0≤3.0≤3.0Fe2O3 %≤0.5≤0.5≤0.5≤0.5≤0.5≤0.5≤0.6≤0.7≤0.5≤0.5≤0.5Bulk Density(g/cm3)≥3.0≥2.95≥3.22≥2.98≥3.20≥3.02≥3.00≥2.98≥3.02≥3.02≥2.92Porosity(%)≤10≤10≤7.0≤7.0≤7.5≤8.0≤9.0≤9.0≤8.5≤8.0≤9.0CCS(Mpa)≥120≥120≥160≥180≥130≥120≥100≥100≥110