How powder coating works
If you haven’t heard powder coating is a fast-growing industry. More and more people are coming to custom powder coaters to get their everyday metal projects done. Here are the top 10 facts on the process of powder coating and the most frequently asked questions about it.
1. WHY POWDER COAT? A powder coated finish offers superior scratch, impact and chemical resistance to metal, wood & even glass products.
2. WHAT ARE EVERYDAY USES? Powder coating is used in automotive, industrial applications for personal, residential & commercial metal projects.
3. WHAT CAN BE POWDER COATED? Everything from rims to railings, gate, furniture, lighting, fixtures, furnishings, venting, auto & mechanical parts – just to name a few.
4. WHICH METALS CAN BE COATED? Aluminum, Galvanized Steel, Stainless & Steel Alloys and some solid Cast Metals. Provided it can hold an electrostatic charge.
5. WHAT POWDERS ARE BEST? Although there are indoor powders, outdoor-rated powders like TGIC, Polyesters & Urethanes have the most functionality.
6. WHAT ARE FINISHES AVAILABLE? Smooth, textured, hammer tone and veins-just to name a few. Smooth finishes come in Super Mirror, Semi-Gloss, Satin & Matte.
7. HOW IS IT APPLIED? Through a process of electrolysis whereby the metal and powder is charged and then cured in an oven up to 400 degrees.
8. HOW LONG DOES IT TAKE TO CURE? Not that long, depending on the size & weight it can take as little as 30min. What’s important is that the powder ‘flow out’ during the curing process.
9. HOW LONG WILL IT LAST? Generally, metal coatings can last up to 10 years or longer depending on the environment, quality of coating & type of powder.
10. IS POWDER COATING SAFE? Yes, in fact, because of the low VOCs. When compared to liquid paint it is far safer for people & the environment.
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