chemical compounds, compositions and preparations for use in foundry and casting work applied to the "melt" of metal or alloys, or applied to dies, molds, tools, cores, crucibles, ladles, or furnace walls

CHEMICAL COMPOUNDS, COMPOSITIONS, AND PREPARATIONS FOR USE IN FOUNDRY AND CASTING WORK APPLIED TO THE "MELT" OF METAL OR ALLOYS, OR APPLIED TO DIES, MOLDS, TOOLS, CORES, CRUCIBLES, LADLES, OR FURNACE WALLS