CHEMICAL PRODUCTS FOR INDUSTRIAL USE, NAMELY, CHEMICAL COMPOUNDS AND PRE AND POST TREATMENT CHEMICALS USED FOR HEAT TRANSFER, IN THE HEAT OR SURFACE TREATMENT, CLEANING AND DESCALING OF METALS SUCH AS IRON AND STEEL AND IN THE HEAT OR SURFACE TREATMENT OF LIGHTS METALS SUCH AS ALUMINUM, MAGNESIUM, AND THE ALLOYS, BRASS AND COPPER

Industrial Heating Crucibles and Heat Treating Furnaces and Quenches

CHEMICAL PRODUCTS FOR INDUSTRY PURPOSES - NAMELY, HARDENING AND SOLDERING COMPOUNDS.

CHEMICAL PRODUCTS FOR INDUSTRIAL USE, ESPECIALLY CHEMICAL COMPOUNDS USED IN THE HEAT TREATMENT OF METALS SUCH AS IRON, STEEL, LIGHT METALS SUCH AS ALUMINUM, MAGNESIUM AND ALLOYS, BRASS, COPPER