Painting metal surfaces and working with its materials is different and challenging compared to other surfaces. Painting metals is considered the best and most appropriate option to protect and preserve the beauty of its surfaces. Iron painting is considered to be a very suitable method for painting metal parts. When painting metal surfaces, the paint does not stick to the metal surface as much as wood or plaster. Likewise, it can be said that metal surfaces are prone to oxidation and rust. Using a paint formulated for metal is essential when painting metal surfaces, especially if you want to control weathering and rusting. If the magnet sticks, your metal is ferrous and susceptible to rust. In this case, you should polish the metal surface with a wire brush and remove the paint stains. If the magnet does not stick to the metal, you can clean it using a surface cleaning solvent. It is better to use anti-rust before painting the metal surfaces and for a better foundation. In this case, you can make sure that the chemical structure of the anti-rust solution is suitable for the metal. You can use a roller or a brush based on the shape of the surface and let the paint layer dry.
A variety of colors for metals
Since most of our appliances are made of metal, their color will disappear over time; Therefore, it is better to paint to preserve beauty. There are many special colors for painting metal surfaces such as epoxy, oil alkyd, polyurethane, etc. It is considered the best color for painting epoxy and polyurethane. The most widely used and original paint for metals is epoxy. Epoxy paint based on amide resin is used to paint metal surfaces in the middle and last layers. Epoxy paint has high resistance against factors such as mechanical and chemical, acids, bases and solvents. It can also withstand heat up to 120 degrees Celsius. Since epoxy paint has a high chemical structure and diversity; Therefore, it has many uses, especially in industries, and can replace a large number of colors. Using this color is the best option for conditions and environments that have a high chance of rusting. Another important color for metal surfaces is polyurethane. One of its most important features is its high resistance to factors such as mechanical and chemical. It is also resistant to atmospheric conditions, solvents, acids and bases. Compared to all industrial resins, it has high heat resistance and is considered a suitable option for painting metal surfaces.
Staining metal surfaces in five steps
A large part of the appliances around us are made of metal such as metal fences, wrought iron chairs and even machinery. Over time, metals become discolored and rusted, and it is possible that in addition to their performance, their appearance may also undergo changes. To renew and preserve them, the simplest and most accessible thing that is necessary is a new paint coating. To paint metals, you need a number of tools, suitable paint, and most importantly, surface preparation before applying paint. To paint metal surfaces, you must first prepare the surface. In fact, the final results of your work depend on this step, so don't work less. With the right foundation and proper preparation, your items will have a pleasant appearance and a longer life.
Careful examination of the desired level
If you can move your metal parts to another place, it is better to move it to a space that has proper ventilation. You can use an old cloth or waste newspaper to cover the area around your work so that there is no need to clean up after the project is finished. Inspect work surfaces closely for cracks, rust, and peeling paint. You may not find a specific item, but if it has a defect, don't worry at all. In the next step, proceed to fix the defects, just use a mask to protect yourself before starting work.
Cleansecakes and colors old
You can use a wire brush to remove rust and peeling paint. You can remove the remaining rust by using sandpaper. The best option for removing rust and old rust is to use block sandpaper and soft sandpaper. In this step, it is better to use eye protection glasses in addition to the mask. It is better to start sanding with coarser sandpaper. First, try to remove thicker colors and rust with block sandpaper, then smooth and completely smooth the work surface with softer sandpaper. Keep in mind that the final result of your work is directly related to this step. Correct and basic sanding makes the paint adhere well to the work surface, which increases its lifespan. To have perfect and impressive work, your metal surfaces should be smooth and even
Smoking the work surface with putty
If your work surface has many defects and cracks, you can easily fix the defects with metal putty. Metal putty can paint over rust. You can repair the parts that need putty and after drying, smooth the surface with sandpaper. After sanding, you should wipe the work surface with a clean linen cloth and instant thinner. There should not be any pollution, grease or sanding dust on the metal surface. Wait until the working surface is completely air-dried, then proceed to the next steps.
Primer (Line) Working surface covering
One of the steps of painting metals is coating the surface with primer. In order for the final color to adhere better, it is necessary to apply a primer or primer on the work before applying it. This layer can be one of the unique lining coatings that are available in the market and are often resin-based. It can also be the final color itself. In addition to better adhesion of the final color, special primers for metals create a protective coating on the surface of the metal. In general, you can cover the work surface with primer or primer with a brush or roller. You can use primer spray for uneven surfaces or surfaces that have many twists and turns. Primers often dry quickly.
Applying color
Alkyd and oil paints are the best options for painting iron. Considering that acrylic primers have the ability to prevent water penetration; Therefore, it is possible to use acrylic and water-based paints to paint metal surfaces. You can use a brush and roller to apply the desired color. The best option for painting metal surfaces is spray paint. In this case, apply a light and thin layer of paint on the surface, then allow the layer to dry and add another layer to it again. You may need to repeat this step several times. You need several hours to dry each layer. After applying the final coating and if you are satisfied with the color of the surface, you need at least 8 hours for it to dry completely. Finally, you can use galvanized sprays. Spraying this spray, in addition to creating shine, creates a protective layer on the color of the metal.