Features:1) Purge solution steel casting2) Improve accepted rate of steel casting3) Reduce foreign matter of steel casting4) Drop twice oxided flaw5) Reduce second-face flaw after machine processTechnical Data1) Bore density (PPi)/PP: 4-602) Porosity (%): 80-903) Refractoriness (Celsius): 17004) Bending strength (Mpa): 0.8-1.05) Compression sterngth (Mpa): 1.0-1.26) Thermal shock resistance: 6 producing area:CHINA payment:FOB, CIF, CRF