BODY SEALER: Describes the tar-like substance is used to seal body joints.

BODY FILLER: Describes a paste used to fill minor imperfections in a car body panel. Body filler rapidly hardens and is shaped to fit, meaning that it can also be painted to match the rest of the vehicle.

BODY LEAD: Describes an alloy of lead and tin used to fill dents and seems in a body panel to establish a smooth surface. When heated, body lead will flow easily to fill the imperfections.

BODY PUTTY: Describes a malleable material designed to smooth on dented body areas. When hardened, the body putty can be dressed down and the area painted.

CATALYST: Describes an agent that will speed up the hardening process when added to a plastic body filler, resin or paint.

CATALYST BED: Describes a layer of catalyst-coated material such as pellets or ceramic in a catalytic converter through which the gases pass.

CATALYST DETERIORATION: Describes the reduction of efficiency as the result of impurities or overheating.

CAVITY: Describes an empty space in a body structure, either in a box section or a double-skinned area.

CAVITY SEALANT: Describes a product made of oil, wax, and rust inhibitors painted or sprayed into a cavity to prevent rust and corrosion.

COMPOUND: Describes an abrasive paste or liquid that smooths and polishes the painted surface.

FLUX: Describes an ingredient placed on metal being soldered or brazed to remove and prevent the formation of surface oxidization which would make soldering or brazing difficult.

GEL: Describes a jelly-like substance used to cover fibreglass panels.

GLASS REINFORCED FILLER PASTE: Describes a polyester filler with strands of fibreglass added into the filler paste to increase the rigidity of the repair.

GLASS REINFORCED PLASTIC(GRP): Describes the primary material used in the manufacture of fibreglass body shells and panels, made up of several layers of fibreglass mat or cloth and various resins.

GLASS SPHERE: Describes a form of reinforcing filler manufactured in particle form as opposed to fibres.

GROMMET: Describes a rubber or plastic ring around a hole in metal to protect a cable inserted in it against wear and tear.

HARDENER: Describes a chemical used in auto body repair added to plastic filler to induce hardening.

HIGH-BUILD FILLER: Describes a spray primer designed to leave a thick coat of paint on the panel surface, covering up minor imperfections.

METAL CATALYST: Describes a catalyst whose active phase is supported by a metal substrate such as sheet steel.

METAL CONDITIONER: Describes an acid-based metal cleaner that will remove rust and other forms of corrosion from bare metal and etching the metal to provide improved adhesion qualities.

P GRIT NUMBERS: Describes the standard system of grit numbers applied to sandpapers to identify properties correctly.

SOLDER PAINT: Describes a form of paste used to prepare an area to be leaded before soldering so the body lead will be sure to stick to the metal surface. The paint is made up of a flux in which powdered lead is held in suspension.

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