19 Refractory building materials, namely, cement mixes, mortar mixes, castable mixes, and ramming mixes, linings for furnaces, mortar, bricks, concrete, and cement; prefabricated refractory elements of mineral materials, namely, prefabricated refractory blocks and prefabricated shapes used for industrial furnaces, such as, furnace roofs, electric arc furnaces, ladle furnaces, ladle bottoms and rolling mill furnaces, and parts therefor.
Trademark: 78216858
