When painting metal surfaces, choosing the right spray paint is essential for achieving a durable and smooth finish. This guide will help you understand the different options available and tips for spraying metal so you can confidently choose and use the right metal spray paint for your needs.
What are spray paints?
Spray paint, which is also commonly referred to as Aerosol paint, is stored in a pressurized container that is completely sealed. The paint is dispensed once you press the valve located on top of the container. It comes out as compressed air that is propelled and applied to many types of surfaces. Spray painting is among the most used paint application methods. The other standard methods are roller and paintbrush painting.
The best thing about using spray paint is the quickest method of painting. You press on the valve aiming at your surface and direct your hand to cover the preferred parts. In addition, spray paint can quickly achieve a uniform coat. Lastly, it’s the cleanest method of painting that does not leave any residue on the floor.
What type of spray paint to use on metal
Spray paint is used on metal for many purposes, including decorating metal processing projects, updating the color of car wheel covers, and even sealing grills to prevent rust. But at different temperatures, the service life of spray paint will be different. Therefore, considering the ambient temperature, it is important to choose spray paint dedicated to metal. Otherwise, it will not have the same adhesion or even chip or peel. Before choosing a spray paint used on metal, you need to consider the following factors:
1. The first is drying time
If you are painting an exterior object, you need to look for spray paint that will dry before the object is exposed to rain, snow, or high heat. For example, a grill that will be used soon. Spray paints come in different formulations, which gives them varying drying times. Normally, oil-based spray paints will dry at a much quicker rate than water-based paints. Generally, water-based spray paint is not suitable for an exterior object.
2. The second is durability
If the metal is going to be exposed to extreme conditions, such as high intensity of the sun and moisture, then you need durable paint. If your project spends a lot of time in the sun, you can search for a product with anti-ultraviolet functions. Otherwise, the paint will fade and chip. This can be exposed to these conditions throughout without wearing off easily.
3. High-temperature range is more important
One everyday use for spray paint is used on metals that get exposed to high temperatures—for example, a grill, fire pit, and barbecue. On this occasion, spray paints are resistant to high temperatures so that the paint doesn’t peel, melt, or otherwise degrade due to exposure to the heat.
On the other hand, metal has higher thermal conductivity than wood, plastic, and many other materials. This means that even if you do not paint the grill or fire pit, the paint may still be exposed to high temperatures. Think of the metal roof of a workshop under the scorching sun all day. Their surface can become very hot, so choosing your spray paint wisely is the best practice.
4. Correct Type of paint
The Oil-based spray paints can be challenging to work with on metal surfaces, as they often require longer drying times and careful application to avoid drips and uneven coverage. On the other hand, water-based spray paints tend to be more forgiving. They dry faster, are easier to clean up, and are generally less harsh, making them a more user-friendly option for most metal projects.
SANVO is the best water based acrylic spray paint manufacturer. It offers various products that can be used on different surfaces. SANVO uses a special formulation to create high-quality spray paint products that aim to minimize waste.
If you’re searching for the best spray paint for metal, then SANVO might be your best option. These sprays are resistant to extreme weather conditions, making them suitable for long-term application. Besides, they dry quickly and are highly efficient. Contact SANVO today for any clarification or to get a quote on Acrylic spray paints.
How to apply your spray paint?
1. Surface Preparation: Clean and sand the metal surface to remove dirt, grease, and rust. Ensure the surface is smooth and dry.
2. Priming: Apply a primer to improve paint adhesion and prevent rust. Let it dry thoroughly.
3. Paint Application: Shake the spray paint can well and hold it 6 to 8 inches from the surface. Apply light, even coats, allowing each to dry before the next.
4. Drying and Curing: Let the paint dry completely and cure for a few days for a durable finish. Optionally, apply a clear coat for added protection.
3 tips for perfect painting
- Pre-treat the metal surface
Why is it the first point of attention? Almost any time, the spray-painting project needs to be fixed. It is because the pretreatment is not done well. Suppose the metal surface has fine particles. You can use sandpaper to polish the metal to remove them for better spraying. If old paint adheres to the metal surface, you can use a degreaser to dissolve it. Thorough removal of the old paint helps the new paint better adhere to the metal surface, thus ensuring the service life of the new paint.
- Don’t paint in direct sunlight
Direct sunlight will cause the solvent to evaporate before the paint hits your workpiece, causing tiny clumps on the paint. It will make the surface of your project appear to be covered with some dust or sand.
- Fast processing of small parts
If you want to paint small fasteners, such as screws, nails, bolts, cup hooks, and screw holes, it is recommended to stick them on a piece of cardboard. In this way, you can avoid pollution of the surrounding environment, and the firmware can be evenly sprayed.
