... casting defects such as slag, gas, which is helpful for molten iron (steel) purification, improve castings quality, reduce ... place, waterproof, moistureproof, ripstop. physical and chemical indexes (For casting iron using)Table 1: compositions compositions(element)loss on ... AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); slag catch sand for iron foundry