Chemical analysis Al2O3,% 48.52 ZrO2 ,% 35.77 SiO2 ,% 14.16% Na2O,% 1.44 Fe2O3+ TiO2,% 0.25 Mineralogical analysis Baddeleyite,% 32.5 Glass phase,% 21.0 Corundum,% 46.5 Physical properties Bulk density,g/cm3 3.50 (for a block >50kgs) True density ,g/cm3 3.84 Cold crushing strength ,MPa 200 Refractoriness Under Load(0.2MPa, Ta) C 1700 Thermal expansion(1000C),% 0.8 Corrosion resistance in Soda lime glass at 1500, 36hrs ,mm/24hr 1.02 Bubble exudation rate(1300 Cx10hr) ,% 0.8 Initial exudation of glass phase ,C 1400 Applications Glass contact area and superstructure lining in soda lime glass furnace. PT cast (Regular cast, Normal cavity): superstructure, feeder channel, and walls of working end, crowns. Min. bulk density 3.45g/cm3 QX cast (tiling cast): sidewall. Min. bulk density 3.45g/cm3 ZWS cast ( reduced cavity): sidewall Min. bulk density 3.60g/cm3 WS cast (void/cavity free) sidewall, paving bottom, superstructure, feeder channel, doghouse crown, C-shaped block Min. bulk density 3.70g/cm3 The chemical-physical is typical properties Subject to reasonable variation, and are not Constitute a contractual obligation.