28/Mar/2020 | 38160090 | Refractory materials: mold protection slag is used to protect liquid steel in molds, used in steel refining industry, sio2 = 28-35%, cao = 25-28%, al2o3 = 5-9%, mgo = 3 -7%, na2o = 4-8%.�100% new | China | 12.60 | ton | 4,914 | ***** | 34 More Columns Available along with Company Name and Other Details etc. |