Abrasive: This is used for wearing away a surface by rubbing it. Examples include pumice, rottenstone, sandpaper, sandpaper and steel wool. Adhesion: The ability of a coating to stick to a surface. Acrylic: This is a synthetic polymer used in latex or water-based paints. As the paint's binder, acrylic resins enable the coating to maintain durability and color. Anchoring: Mechanical bonding of a coating to a rough surface; this is the opposite of adhesion, which is chemical bonding. Binder: The binder cements the pigment particles into one uniform mixture and also helps the paint bind to the surface. Blistering: Formation of bubbles in paints or varnish films resulting from loss of adhesion and lifting of the film. Caulking Compound: A semi-drying or slow-drying plastic material used to seal joints or fill in crevices. Cohesion: The attractive force between similar molecules. It is the force that holds the molecules of a substance together and is contrasted with adhesion. Dry Film Thickness: The thickness of paint film is measured in microns when dry. An adequate thickness is integral for the success of any coating system. If the thickness is too thin it can lead to premature failure of the paint system. Exceeding the film thickness specifications can be equally dangerous. Elasticity: The property of film that allows it to stretch or change in size and shape, return to normal conditions, without breaking or rupturing during the process. Emulsion: A dispersion of miniscule droplets of one liquid in another. Emulsion Paint: Coating in which resins are suspended in water then use an emulsifier to come together. Filler: A product used to fill pores before applying a prime of top coat. Galvanized: A covering of zinc that coats iron or steel to prevent rust. Gloss Meter: A scale for measuring the shininess or reflective capacities of paint. Holidays: Application mistake in which small areas are left uncoated. Latex: Latex entails a stable dispersion of a polymeric substance in an aqueous medium or a fine dispersion of rubber or resin. Opaque Coating: A coating that hides the underlying surface coating. Paint Gauge: Instrument for measuring the thickness of paint or paint film. Resin: Material used as the binder in coatings. Can be translucent or transparent, solid or semi-solid. Solvent: Any liquid which acts as a solvent against resin. Generally refers to the liquid portion of paints and coatings that has the potential to evaporate. Substrate: The surface to which a coating is applied. Topcoat: A coat that provides a finish that gives protection and color. VOC (Volatile Organic Content): Any carbon compound that evaporates under standard test conditions. These chemicals have a high vapor pressure at ordinary temperatures. Water Emulsion: A mixture of pigment and resin in water with low solvent emission, low fire hazard and toxicity and good durability. Wet Film Thickness: The original thickness of a coating, as applied, before the solvent evaporates.