Sintered Mullite Top Quality Reasonable Price Punctual Shipment Best after-sale services Sintered MulliteChemical AnalysisM45M47M60M70AL2O3 (%, MIN.)44465868FE2O3 (%, MAX.)1.01.21.351.4SIO2 (%)50-5445-5030-3722-27K2O+NA2O (%, MAX.)0.40.40.40.4B.D (G/CM3)2.452.602.702.8REFRACTORINESS(°C)1750179018201850