HOLDEN

MATERIALS FOR HEATING AND HEAT TREATING METALS-NAMELY, SALTS FOR CARBURIZING, SALTS FOR BLACKING STEEL, SALTS FOR TEMPERING STEEL, SALTS FOR HEAT TREATING AND ANNEALING NON-FERROUS METALS, SALTS FOR HEAT TREATING CARBON STEELS, SALTS FOR HEAT TREATING ALLOY STEELS, MIXTURES OF SILICON CARBIDE WITH GRAPHITE USED AS TOP LAYER MATERIALS FOR MOLTEN HEAT TREATING SALT BATHS, SALTS FOR BRIGHT TEMPERING STEEL, SALTS FOR QUENCHING AND DESCALING FERROUS METALS, SALTS FOR ISOTHERMAL HEAT TREATING OF FERROUS METALS, SALTS FOR ANNEALING FERROUS METALS, SALTS FOR HARDENING HIGH-SPEED STEELS, SALTS FOR SECONDARY HARDENING OF HIGHSPEED STEELS, CHEMICALS FOR ADDITION TO SALT BATHS FOR HEAT TREATING METAL TO RESTORE THE SALT BATHS TO ORIGINAL OPERATING CONDITION AND/OR TO CLEAN THE SAME