Calcined Flint Clay Top Quality Reasonable Price Punctual Shipment Best after-sale services Calcined Flint ClayChemical AnalysisAL-1AL-2AL-3AL-4AL-5AL2O3 (%)4243444546FE2O3 (%, MAX.)2.52.01.51.31.2B.D (G/CM3)2.352.402.452.502.55Refractoriness16501680172017501780Apparent Porosity (%)65.554.54.5SIZE0-50MM, 0-30MM, 0-1MM, 1-3MM, 3-5MM, 5-8MM, -100MESH, -200MESH, -325MESH or as customer’s ...