DIATOMACEOUS SILICA IN POWERED, GRANULATED, AND BRICK OR BLOCK FORM AND IN ITS NATURAL STATE AND IN CALCINED AND FLUX CALCINED STATES; AND ASBESTOS FIBER.

COMPOSITION PLANKS FOR BRIDGE AND INDUSTRIAL USES; FLEXIBLE COMPOSITION FLOOR TILE; COVE BASE STRIPS FOR USE WITH COMPOSITION FLOOR TILE; UNDERLAYMENT FOR COMPOSITION FLOOR TILE; BITUMINOUS EMULSION ADHESIVES FOR SECURING FLOOR TILE AND BITUMINOUS CUT-BACK ADHESIVES FOR SECURING FLOOR TILE; MASTIC FLOORING; BITUMINOUS COMPOSITION MATERIAL FOR COVERING BOAT DECKS; CAULKING PUTTY; DECORATIVE FIBERBOARD SHEETS, PANELS, AND PLANKS; HARDBOARD SHEETS AND PANELS; INSULATING FIBERBOARD; RUBBER CUT-BACK ADHESIVES FOR SECURING WALL PANELS; FIBERBOARD LATH; FIBERBOARD SHEATHING; GRANULE SURFACED FIBERBOARD; ENCASED INSULATING BOARD; ASBESTOS PAPERS AND FELTS FOR BUILDING AND INDUSTRIAL USES IN THE CONSTRUCTION FIELD; RAG FELTS FOR BUILDING AND INDUSTRIAL USES IN THE CONTRUCTION FIELD; PAPERS AND FELTS CONTAINING FABRIC REINFORCEMENT FOR USE AS BUILDING MATERIALS; ASPHALT SATURATED FELTS FOR CONSTRUCTION PURPOSES; TAR-SATURATED FELTS FOR CONSTRUCTION PURPOSEES; ROLL ROOOFING AND SHEATHING; PLIED COMPOSITION ROOFING; SMOOTH SURFACED COMPOSITION ROOFING; MINERAL SURFACED COMPOSITION ROOFING; ROOF INSULATION; WATERPROOF FABRIC ROOFING; FLEXIBLE COMPOSITION SHINGLES AND SIDING; FIBER-CEMENT SHINGLES AND SIDING; WATERPROOF BITUMINOUS COATINGS FOR ROOFS, WATERPROOFING CEMENTS AND PUTTIES; PLASTIC BITUMINOUS COMPOUNDS FOR SEALING STRUCTURES AGAINST THE INFILTRATION OF AIR AND MOISTURE; SIDING PANELS SIMULATING MASONRY CONSTRUCTION; SOUND ABSORBING UNITS COMPOSED OF PERFORATED PANS ENCLOSING SOUND ABSORBING PADS; MINERAL WOOL PADS, BLOCKS, AND BLANKETS FOR SOUND ABSORPTION; VEGETABLE FIBER SOUND ABSORBING PANELS CONTAINING SPACED SOUND ENTRY OPENINGS; MONOLITHIC SOUND ABSORBENT PANELS; SHEETS AND BLOCKS; SOUND CONTROL PANELS-NAMELY, PERFORATED FACINGS AND SOUND ABSORBING BACKINGS; WATERPROOF GUM ADHESIVES FOR SECURING ACOUSTICAL PANELS; SOUND ABSORBING AND THERMAL INSULATING DUCT LININGS; VIBRATION DAMPING FELTS; PERFORATED FIBER-CEMENT PANELS; CORRUGATED FIBER-CEMENT SHEETS; FLAT FIBER-CEMENT SHEETS AND PANELS; FABRICATED WALLS; FELTS FOR THE PROTECTION OF UNDERGROUND PIPE LINES; WATERPROOFING AND DAMP PROOFING MATERIALS-NAMELY, FELTS, FABRICS, AND BITUMINOUS CEMENTS; BITUMINOUS ROOF COATING CONTAINING FIBER; BITUMEN PUTTY; IMPREGNATED FIBER-CEMENT SHEETS; SECTIONAL THERMAL INSULATING MATERIALS FOR PIPE; INSULATING CEMENTS; SODIUM SILICATE ADHESIVES FOR SECURING INSULATIONS AND INSULATION COVERINGS; SECTIONAL THERMAL INSULATION FOR BOILERS AND TANKS; ASBESTOS SPONGE INSULATIONS; COMPOSITE INDENTED AND PLAIN SHEETS IN CYLINDRICAL FORM AND IN BLOCKS OR PANELS FOR INSULATION; COMPOSITE INDENTED SHEETS FOR INSULATION; WOOL FELT INSULATION; ASBESTOS BLANKETS FOR THERMAL INSULATION; ASBESTOS BLOCKS FOR THERMAL INSULATION; ASBESTOS MILLBOARD FOR CONSTRUCTION PURPOSES; INSULATING HAIR FELT; INSULATING BLANKETS AND BLOCKS COMPOSED OF ASBESTOS AND HAIR FELT; INSULATING HAIR FELT BLANKETS AND BLOCKS ENCLOSED BETWEEN COVERING SHEETS; MAGNESIA INSULATIONS IN SLAB, BLOCK, AND MOLDED SHAPES; INSULATING UNITS COMPOSED OF ENCLOSED, COMPOSITE, CORRUGATED, AND PLAIN ASBESTOS SHEETS; MINERAL WOOL IN LOOOSE AND NODULATED FORMS FOR INSULATING STRUCTURE; MINERAL WOOL BLOCKS, PADS, AND BLANKETS FOR INSULATION; STITCHED MINERAL WOOL BLANKETS FOR INSULATION; INSULATING MINERAL WOOL BLANKETS WITH FABRIC FACINGS; DIATOMACEOUS SILICA IN POWDERED, BRICK, AND BLOCK FORM FOR INSULATION; DIATOMAACEOUS SILICA FOR USE IN PORTLAND CEMENTS, MORTARS, PLASTERS, AND STUCCOS; STRUCTURAL INSULATION PANELS CONTAINING DIATOMACEOUS EARTH AND ASBESTOS FIBER; LAMINATED STRUCTURAL INSULATING PANELS HAVING A LAYER CONTAINING DIATOMACEOUS EARTH AND ASBESTOS FIBER AND A LAYER OF WOOD, AND LAMINATED STRUCTURAL INSULATING PANELS HAVING A LAYER CONTAINING DIATOMACEOUS EARTH AND ASBESTOS FIBER AND A LAYER CONTAINING ASBESTOS FIBER AND PORTLAND CEMENT; MOLDED INSULATING COVERINGS OFASBESTOS FIBER; MIXTURE OF ASBESTOS FIBER AND DIATOMACEOUS EARTH FOR INSULATION; ASPHALTIC ASBESTOS COATINGS IN PLASTIC FORM FOR WATERPROOFING ROOFS AND WALLS; JACKETS FOR PIPE INSULATIONS; HIGH TEMPERATURE INSULATIONS AND REFRACTORIES; REFRACTORY PLASTIC COATINGS, MORTARS, AND CEMENTS; REFRACTORY BLOCKS, BRICKS, AND SHAPES; FIRE BRICKS; STOVE AND FURNACE PUTTIES; REFRACTORY CASTABLE COMPOSITIONS; AND COMPOSITION THRESHOLD PLATES FOR DOOR SILLS.

BITUMINOUS ENAMELS AND BITUMINOUS PAINTS; BITUMINOUS WATERPROOFING AND DAMP PROOFING COATINGS; BITUMINOUS PRIMERS AND VARNISH.

DIELECTRIC PANELS FOR SWITCH BOARDS, ELECTRIC CONTROLLER FACE PLATES, ELECTRIC SWITCH BASES AND BUSS SUPPORTS; ASBESTOS-CEMENT SHEETS AND PANELS HAVING DIELECTRIC PROPERTIES; DIELECTRIC ASBESTOS PAPERS AND TAPES; ASBESTOS TUBING FOR THE INSULATION OF ELECTRICAL CONDUCTORS; CUSTOM MOLDED, ASBESTOS-CEMENT, WATERPROOF, ELECTRIC INSULATING MOUNTINGS FOR ELECTRICAL DEVICES; ELECTRICIAN'S FRICTION TAPE; PLASTIC, ASBESTOS ELECTRICAL INSULATORY SEALING COMPOUNDS FOR DUCTS CARRYING ELECTRIC WIRING; ELECTRICAL WIRING SPLICING, INSULATING, RUBBER COMPOUNDS.

FINELY DIVIDED CHEMICALLY INERT, SILICEOUS MATERIALS TO BE USED IN AIDING FILTRATION AND IN CLARIFICATION OF LIQUIDS, TERMED "FILTER-AIDS".

WOVEN BRAKE LINING AND CLUTCH FACINGS; MOLDED BRAKE LININGS AND CLUTCH FACINGS; RUBBERIZED FABRIC BRAKE LININGS AND CLUTCH FACINGS; RESIN BONDED BRAKE LININGS AND CLUTCH FACINGS; IMPREGNATED MILLBOARD BRAKE LININGS AND CLUTCH FACING MATERIAL IN ROLL FORM; MACHINERY PACKINGS AND GASKETS; MOLDED PACKINGS; CUP PACKINGS; BRAIDED, TWISTED AND PLAITED PACKINGS; TWISTED CORD FOR PACKINGS; METALLIC PACKINS; METALLIC PACKINGS; METALLIC PACKINGS INCLUDING AN IMPREGNANT; FABRIC PACKINGS; FABRIC PACKINGS INCLUDING AN IMPREGNANT; FOLDED GASKETS AND PACKINGS; PLEATED GASKETS AND PACKINGS; ROLLED GASKETS AND PACKINGS; SHEET PACKINGS; CLOTH AND WIRE-INSERTED CLOTH PACKINGS; COMPOSITE METAL AND ASBESTOS PACKINGS AND GASKETS; ASBESTOS ROPE PACKINGS; WICK PACKINGS; AND GASKETING TAPE.