As outlined by Architectural Digest in their article, “What Is Powder Coating? 7 Things to Know,” powder coating is a popular dry finishing process for metals, commonly used in industries like automotive, appliance manufacturing, and hardware. Unlike traditional spray painting, powder coating applies a dry, polymer-based powder to metal surfaces, creating a durable, vibrant, and uniform finish that resists chipping and fading over time.
How Powder Coating Works
Powder coating relies on an electrostatic application process in which a charged spray gun applies powder to the metal surface. This powder, resembling baking flour, is then cured with ultraviolet light or heat, creating a hardened, smooth finish. The powder itself is a polymer resin that includes leveling agents, pigments, and other additives to ensure a high-quality result.
Advantages of Powder Coating Over Spray Painting
Powder coating offers a more resilient finish than traditional spray paint, which is especially beneficial for items exposed to heavy use or outdoor conditions. The curing process results in a thick, glossy, and chip-resistant layer. Additionally, powder coating allows for vibrant colors as well as clear coats, which can provide a protective finish without altering the item’s natural appearance. This technique is ideal for metal surfaces and is commonly used for items like car wheels, bicycle frames, and household appliances.
Where to Use Powder Coating
Powder coating is best suited for metal surfaces, whether for new or vintage items. It’s versatile enough to customize anything from outdoor furniture and fixtures to home decor items. For smaller, interior projects on non-metal surfaces, spray paint may still be preferred, but for any high-use or outdoor metal items, powder coating is the optimal choice.
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Article with all rights reserved, courtesy of Architectural Digest.
