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Powder coating is a type of coating that is applied as a free-flowing, dry powder. The main difference between a conventional liquid paint and a powder coating is that the powder coating does not require a solvent to keep the binder and filler parts in a liquid suspension form. Powder coating is Eco friendly because it contains no solvents or VOC's. More and More companies specify powder coatings for a high-quality, durable finish, allowing for maximized production, improved efficiencies, ands simplified environmental compliance.
Powder coating can be applied to practically any metal item. The powder has to be cured at typically 400 degrees in an oven so plastics, rubbers, etc. will not withstand the temperatures.
Powder coating is a high-quality finish found on thousands of products you come in contact with each day. Powder coating protects the roughest, toughest machinery as well as the Houshold items you depend on daily. It provided a more durable finish than liquid paints can offer, while still providing an attractive finish. Powder coated products are more resistant to diminished coating quality as a result of impact, moisture, chemicals, ultraviolet light, and other extreme weather conditions. In turn, this reduces the risk of scratches, chipping, abrasions, corrosion, fading, and other wear issues. It tough. It looks great. And it lasts a long, long time.
Powder coating has a number of benefits over other types of coatings. It provides a more durable, long-lasting finish that is resistant to corrosion, fading, and chipping. It also has a higher resistance to chemicals and UV light. It also has a wide range of color options and is environmentally friendly as it does not contain solvents or VOCs.
Powder coatings are based on polymer resin systems, combined with curatives, pigments leveling agents, flow modifiers, and other additives. These ingredients are melt mixed, cooled, and ground into a uniform powder similar to baking flour. A process called electrostatic spray deposition is typically used to achieve the application of the powder coating to a metal substrate. This application method uses a spray gun, which applies an electrostatic charge to the powder particles, which are them attracted to the grounded part. After application of the powder coating, the parts enter a curing oven where, with the addition of heat, the coating chemically reacts to produce long molecular chains, resulting in high cross-link density.. These molecular chains are very resistant to breakdown.