High Alumina 31 holes Checkers

High Alumina Brick MaterialRefractoriness°CApparent Porosity%Volume Density g/cm3Cold Compression Strength MpaCreepage0.2MPa, 50h%RUL Temperature T2 0.2Mpa, °CThermal Shock Stability (water cooling Times)Reheating Linear Change RateChemical ComponentsAl2O3Fe2O3SiO2MgoHigh Aluminum≥1850≤20(23)≥2.68≥75(65)1550°C≤0.5≥1770≥8(1100°C)±0.1(1500*4)≥75High Aluminum≥1850≤21(23)≥2.78≥70(60)1550°C≤0.5≥1640≥8(1100°C)+0.1(1500*4)≥80High Aluminum≥1850≤20(22)≥2.53≥65(55)1450°C≤0.4≥1580≥8(1100°C)+0.1(1500*4)≥70High Aluminum≥1820≤23(24)≥2.48≥601440°C≤0.4≥1550≥8(1100°C)+0.1(1500*4)≥65High Aluminum≥1790≤18≥2.43≥601350°C≤0.4≥1500±0.1(1500*4)≥65High Aluminum≥1790≤23(24)≥2.38≥40(30)1300°C≤0.4≥1470±0.2(1500*4)≥60High Aluminum≥1770≤23(24)≥2.28≥40(30)1270°C≤0.5≥1420+0.2(1500*2)≥50High Aluminum≥1850≤25(17)≥2.72≥45(30)1500°C≤0.3≥1700≥20(800°C)+0.1(1500*2)≥70CordieriteCordierite≥1750≤25≥2.55≥40≥1600≥80(1200°C)-0.2 +0.2(1450*2)≥55≤1.35≤401.7 3.0High Aluminum≥1920≤17≥2.95≥801500°C≤0.3≥1700≥20(1200°C)±0.1(1600*2)≥80