Recently, more and more people arehigh-quality paint on rust, thanks to which any person can not only perfectly update old metal products, but also save a lot of time while doing so. Just recently, in order to update, for example, iron railing or grilles on windows, they had to be preliminarily treated with sandpaper or a grinding machine (to remove the old coating), primer the surface and only then apply a new enamel. Modern rust paint can be used without pre-treatment of the surface, which attracts the interest of buyers.
Despite promising advertising, manybuyers still feel some mistrust of this kind of paint and varnish products. Should I trust the producers of these coatings or not? In fact, buyers should be aware that virtually all ferrous metals quickly rust in the presence of water and oxygen. At the same time, it is not always and always possible to regularly apply such methods of protection to these structures as cleaning from rust, priming, application of paint and varnish materials. In this case, the only possible and most accessible way of surface treatment is the application of paint on rust. Some of them are water-dilutable, containing phosphoric acid. There is a paint for metal and rust two-component, containing additives based on epoxy or polyurethane resins and corrosion inhibitors.
Water-borne formulations are the mosteco-friendly and cheap, but their application as "finish" coatings is possible only in cases when the surface of metal structures are not required for high decorative, and they are used in conditions with a relatively low aggressiveness of the environment. Such compositions are best applied to pre-primed surfaces. The best rust paints form coatings that maximally isolate the surface of the metal from corrosive substances, oxygen and water. They modify the chemical composition of the rust itself, which significantly slows down the destructive corrosion processes. Do not forget that, no matter how good these paint coatings are, loose rust still needs to be removed from the surface of the metal, as no paint can "tie" it and hold it for a long time.
There are many types of anti-corrosioncoatings. One of the most popular products of this kind is the rust paint "Hammerite" (Hammerite). It's easy to apply because it performs several functions at the same time: it transforms the corrosion layer, is a primer and a finish coat. It is noteworthy that the Hammerite paint in several layers can be applied in one day. This paint and varnish coating provides the metal structures with a decorative look and good protection. This paint is not intended for industrial use. The best effect is achieved when applying a layer thickness of not less than 100 microns. The paints "Humereit" are capable of repelling moisture, since they contain silicones. This coating is made on the basis of a complex of resins designed to block rust. It consists of modified alkyds, which ensure high adhesion to metal surfaces. The rapidly evaporated solvents available in the "Hammerite" rust make it dry quickly. Glass microparticles reinforce the waterproof barrier. This paint is applied only to non-peelable surface, which was painted no less than six months before. The paint "Hammerite" is not compatible with the compositions on the bitumen base. When applied to non-ferrous metals, pre-priming is required.
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