Floating bead refractory brick,Cordierite poly lig

clinker bricksDescriptionTB series floating bead refractory bricks and MT series cordierite poly lightrefractory bricks, which are applicable for different places, have good-quality floating beads, high alumina lightweight sand, cordierite poeder and refractory clay as main raw materials, mixed with inflammable fillings, molded by machine-pressure or tamping and fired in a high-temp tunnel kiln.Features·Small thermal conductivity·High compressive strength·Excellent thermal shock resistance·Long service life·All types of products available as customers requireApplicationLinings of coke furnacesmetallurgy, hot blast furnaces and heating furnaces to preserve and insulate heat.Properties/Brand JB-0.6 JB-0.8 MJ-1.0 MJ-1.5 Bulk Density g/cm3 0.6 0.8 1.0 1.5 Cold Compressive Strength≥MPa 2.7 4.5 8.5 14 Reheat Linear Change °C×12h 1150 1200 1300 1350 Reheat Linear Change Value 1150 1200 1300 1350 Thermal Conductivity 350±25°Cw/m·k 0.20 0.26 0.38 0.56 0.2 Mpa Refractoriness Under Load °C --- 1310 1320 1336 Al2 O3 % 40 45 50 54 Fe2 O3 % 1.5 1.5 1.2 1.2 Thermal Shock Resistance 1000°C Air-cool Times --- 20 23 25 Highest working temperature °C 1150 1200 1250 1300