The coating industry has a variety of methods to coat metals with the perfect finish. When it comes to the type of aesthetic or desired appearance, the type coating matters heavily. Here are the differences between the two main types of coatings: anodized and powder coating.
What is anodizing?
Anodizing is the electro-chemical process of coating the outside layer of aluminum into what is known as aluminum oxide. The finish is then held together by this anodic coating as aluminum oxide is stronger and more resilient. The lifetime of the this coating is dependent on the depth of the coating itself.
What are the benefits of Anodized metal?
- Lasts Longer
- More durable finish
- Can be colored and dyed
- Weather resistant
- Less expensive form of coating
- Sun resistant
- No peeling off
Anodic coating holds very well against the elements, proving to defend well against the elements, wear and tear, as well as the sun. The coloring is translucent, but can be dyed, and the color will not suffer from erosion like organic coatings will.
However, its defense against chemical compounds is not as strong as against the elements. In highly urbanized areas, where pollutants can be found in higher quantities, the chemical barrier created by the anodic coating can suffer.
What is Powder Coating?
Powder Paint is pigment inside of resin while liquid paint is a mixture of pigment solvent, and resin. powder painted metals emit no Volatile Organic Compounds when cured which decreases its ability to cause pollution.
What are the benefits of Powder Coating?
- Less Likely to pollute the air
- Wider variety of colors
- Easier to use
- Ability to change coatings
- Epoxy based powder are great for interior finishes
When it comes to powder coating, the choice is really yours. While it may not offer the best resistance against the elements, it will provide a more personal feel than anodic coatings because of the accessibility of many different colors and shades.
However, powder paints can be a little bit more on the expensive side because of the labor that goes into manufacturing them.
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