low-weight insulating castable

It is a kind of perfect heat-insulation castable which has low conductive coefficient. Brand Of nameindexLitterweightinsulatingcastableAl2O3%SiO2%Fe2O3%g/cm3Bulk density≤0.8≤1.0Mpa 110Crusjing strength≥3≥4Mpa 540Crusjing strength≥5≥6Mpa 1100Crusjing strength≥5≥10Mpa 110Bending steength≥0.5≥0.7Mpa 1100Bending steengthPefractoriness≥1100≥12501100×3h%Sinteredliner change±0.6±0.51100Thermal stability(windcyele)ccAbrasivenessw/m.kThermal conductivity≤0.3≤0.38