NR 422.02(54y)(54y) “Multipurpose construction adhesive” means an adhesive intended by the manufacturer for use in the installation or repair of various construction materials, including drywall, subfloor, panel, fiberglass reinforced plastic, ceiling tile, and acoustical tile. NR 422.02 NoteNote: Fiberglass reinforced plastic is also referred to as FRP.
NR 422.02(55)(55) “Natural finish hardwood plywood panels” means panels whose original grain pattern is enhanced by essentially transparent finishes which may be supplemented by fillers and toners. NR 422.02(56)(56) “Non-heatset” means a lithographic printing process where the printing inks are set without the application of heat. Ultraviolet-cured and electron beam-cured inks are considered non-heatset. NR 422.02(57)(57) “Office partitions” means partitions fabricated from honeycomb laminate or wood laminate which is placed inside a steel base support frame with a final outside covering of vinyl, cloth or laminate. NR 422.02(57m)(57m) “One-component coating” means a coating that is ready for application as it comes out of its container to form an acceptable dry film. A thinner, if added to reduce the viscosity, is not considered a component. NR 422.02(57s)(57s) “Optical coating” means a coating applied to an optical lens. NR 422.02(58)(58) “Organisol” means a thick coating containing resin, plasticizers and organic solvent used to coat flexible substances such as paper or fabrics. NR 422.02(58m)(58m) “Outdoor floor covering installation adhesive” means an adhesive intended by the manufacturer for use in the installation of floor covering that is not in an enclosure and that is exposed to ambient weather conditions during normal use. NR 422.02(59)(59) “Oven” means, for the purpose of surface coating, a chamber within which heat is used to bake, cure, polymerize or dry a surface coating. NR 422.02(60)(60) “Overvarnish” means a coating applied directly over ink to reduce the coefficient of friction, to provide gloss and to protect the finish against abrasion and corrosion. NR 422.02(61)(61) “Packaging rotogravure printing” means rotogravure printing upon paper, paper board, metal foil, plastic film or other substrates, which in subsequent operations are formed into packaging products or labels for articles to be sold. NR 422.02(61m)(61m) “Pad printing” means, for the purpose of plastic parts coating, a type of printing used on irregularly shaped substrates, in which the image is transferred from a metal or plastic photoengraved or intaglio plate called a cliche, to an intermediate silicon rubber pad and, ultimately, to the substrate. Ink is supplied to the engraved portions of the cliche after each impression. NR 422.02(61s)(61s) “Pan-backing coating” means a coating applied to the surface of pots, pans, or other cooking implements that are exposed directly to a flame or other heating elements. NR 422.02(62)(62) “Paper coating” means application of the uniform coatings, including saturation coatings, put on paper and pressure sensitive tape in a web process. Related web coating processes on plastic films and on metal foil are included in this definition but processes such as printing where the coating is not uniform across the web are not included. NR 422.02(63)(63) “Penetrating prime coat” means an application of low-viscosity liquid asphalt to an absorbent surface to prepare it for an asphalt surface. NR 422.02(63m)(63m) “Perimeter bonded sheet vinyl floor covering installation” means the installation of sheet flooring with vinyl backing onto a nonporous substrate using an adhesive designed to be applied only to a strip of up to 4 inches wide around the perimeter of the sheet flooring. NR 422.02(64)(64) “Pigmented coating” means an opaque coating which contains binders and colored pigments and which is formulated to hide a surface, either as an undercoat or topcoat. NR 422.02(64g)(64g) “Plastic” means a synthetic material chemically formed by the polymerization of carbon-based substances that is usually compounded with modifiers, extenders, or reinforcers and is capable of being molded, extruded, cast into various shapes and films, or drawn into filaments. NR 422.02(64m)(64m) “Plastic part” means a piece made from a substance that has been formed from resin through application of pressure or heat or both. NR 422.02(64q)(64q) “Plastic solvent welding adhesive” means an adhesive intended by the manufacturer for use to dissolve the surface of plastic to form a bond between mating surfaces. NR 422.02(64u)(64u) “Plastic solvent welding adhesive primer” means a primer intended by the manufacturer for use to prepare plastic substrates prior to bonding or welding. NR 422.02(65)(65) “Plastisol” means a composition of finely divided resin and plasticizer used to coat flexible substances such as paper or fabrics which is applied as a thick gel which solidifies when heated. NR 422.02(65e)(65e) “Pleasure craft” is a vessel that is manufactured or operated primarily for recreational purposes, or leased, rented, or chartered to a person or business for recreational purposes. NR 422.02(65m)(65m) “Pleasure craft coating” means a marine coating, except unsaturated polyester resin or fiberglass coatings, applied by brush, spray, roller, or other means to a pleasure craft. NR 422.02(65s)(a)(a) “Porous material” means a substance that has tiny openings, often microscopic, in which fluids may be absorbed or discharged, including paper and corrugated paperboard. NR 422.02(66)(66) “Precoat” means any coating which is applied to bare metal primarily to deactivate the metal surface for corrosion resistance to a subsequent water-base prime coat.