itemA-40A-70A-75QA-40(light weight)Refractoriness33343631Density(g/cm3)110x24h2.22.42.50.6-1.4Crushing strength110x24h(Mpa)1500x3h(Mpa)4080508050803-136-16Modulus of rupture110x24h(Mpa)1500x3h(Mpa)820810810Max.service temperature()1400150016001300AL2O340707540
castable refractory