MACHINES, COMMONLY KNOWN AS GUNS, FOR APPLYING COATINGS AND SEALANTS, AND PARTS THEREFOR; NAMELY, NOZZLES, PUMPS, HOSES AND CONTAINERS FOR MIXING COATINGS AND SEALANTS

REFRACTORY HEAT INSULATING ARTICLES IN BLOCK, SHEET, BOARD OR COMPOSITE FORM FOR INDUSTRIAL USE FOR HEAT INSULATING PURPOSES; REFRACTORY HEAT INSULATING MATERIALS IN GRANULAR OR POWDER FORM SUITABLE FOR TAMPING OR CASTING INTO SOLID FORMS, OR FOR SURFACE APPLICATION BY TROWLING, PALMING, OR SPRAYING INTO PLACE BY USE OF A SPRAY GUN, OR FOR BULK INSULATION, ALL FOR INDUSTRIAL USE FOR HEAT INSULATING PURPOSES