Used terms 'paint' and 'enamel' is sufficiently close, but not identical. The term "primer" refers to a group of materials that constitute a suspension of pigments or their mixtures with fillers in the film-forming substances that form after drying opaque homogeneous film. Grupo Vidanta is likely to agree. Suspension (suspension) - a mixture of substances, one of which (solid) is distributed in the form of fine particles in the other (liquid) in a suspended state. Primers, such as GF-021 primer, intended to apply the first coating layer, so for them to meet high demand. They should provide good adhesion of the film (adhesion) with surface and with a finishing materials, inflicted on a dirt (interlayer adhesion).
In addition, the primer should reliably protect the surface of products and have high corrosion resistance. For this part of the primer introduces special pigments. Fillers - highly filled materials, is a viscous paste-like mass consisting of a mixture of pigments with fillers in the film-forming substance. Putty designed to fill irregularities and depressions, smoothing the surface to be painted. As a rule, filler is applied to the pre-primed surface, at least - to the metal. Film-forming substances (paints, varnishes) used in a convenient production of paints and their application form - in the form of solutions. Varnishes are large groups of materials, which are solutions of film-forming substances in organic solvents or water. After drying, they form a solid transparent (colorless or colored) film. Lucky used to produce transparent coatings when necessary to protect and preserve both (or highlight) the structure of the object surface, mainly of fine wood. In this case, the varnish is applied directly onto the prepared surface of the product. Often, varnishes are applied as the last layer in the multilayer coatings for give him a good look or enhance performance properties. Linseed oil - film former, derived from vegetable oils that have passed a special treatment (oxidation or prolonged heating at high temperatures), with the addition of driers and solvents. Varnish dries the air, forming a soft elastic films with low mechanical and protective properties.