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The process of powder coating provides the final touch for many manufactured metal and other material pieces. The coatings protect objects from sun exposure, chipping and chemical corrosion. It is used for many metal and stainless steel products which will end up exposed to one element or another. An array of items, from farm equipment, lawn chairs and trash cans to small and large metal pieces, undergo powder coating before they are sold to consumers. Glass, wood and plastics can also endure the process because they can be coated via electrostatic charges. Most powder coating services do their coating in a batch spray booth. Describing powder coating as painting objects is somewhat misleading. The process actually involves covering an object in a powder made from a variety of chemicals and then heating it to adhere the coating to the object. Items subjected to this process can often cool quickly and head directly to packaging rather than needing to wait for the paint to dry.



Powder coating services use several types of coating. Epoxy is known for its durability and power to repel corrosion. Epoxy mixed with polyester into a hybrid curbs the yellowing of exposed or older pieces. Thermoplastic coatings are often used for outdoor objects. A nylon coating is resistant to abrasion and solvents. Polyolefin has excellent adhesive qualities, flexibility and impact resistance. The coatings can take on metallic, reflective, brushed and numerous other finishes.



Companies that offer powder coating services will compete against each other by mentioning specific processes and machinery used. A company can offer anti-graffiti and decorative coatings. The lengths of the items which can be coated as well as the ability to do short and long runs of a product are also good selling points. Some complicated products may require manual coatings to be performed. The coating itself can be offered in different thicknesses as well.