Any metal products are subject to external influences. As a result, there is an oxidation of the metal surfaces. To protect against this, special paints and enamel are used.
Before painting, strongly rusted parts are replaced and the surface is cleaned of dirt, rust and old paint. The paint is removed with washing. To remove rust, special substances are used, working with which requires caution due to their high toxicity. You can remove the rust with a manually brush, this is a very long and laborious process. The next step is to produce a primer of the surface.
For painting, various types of colors are used. For a long time, metal products were painted with oil paints. The speed of drying of such colors depends on the oil, which was used as the basis in the manufacture.
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Alkyd enamels and paints appeared much posterior. Due to different additives, these paints create a stable and strong coating on the metal surface. In addition, they withstand temperature changes, protect against atmospheric influences and are very resistant to abrasion. Work with alkyd paints should be in the respirator and gloves, as they are very toxic.
Acrylic paints and enamels are more elastic and more resistant to atmospheric influences. For painting galvanized surfaces, oil and alkyd paints are not very suitable. Wrong this goal is suitable for specialized acrylic soil-enamel.
For metal elements operated with high temperatures, heat -resistant paint is used. The spread of fire can be placed metal surfaces painted with fire -retardant paint. To protect metal from rust, there are special paints on rust and anti -corrosion paints. In addition, in our time, paints of properties possessing a number of properties are produced at once: transform rust, protect against corrosion and confront abrasions.
