28/Oct/2017 | 6902900000 | Refractory brick, ceramic, calcined, chemical composition: al2o3 at least 45%, fe2o3 not more than 1%, sio2 not less than 40%, cao maximum 0, 3%, mgo not more than 0.3%, is used for production and relining electric furnace | *** | ABSENT | *** | *** | 940 | 3236,68 | ***** |