Untreated aluminum does not rust, but it can oxidize to form a chalky-white substance in place of rust. Most metal parts designed for outdoor use have powder coatings to protect them from the elements and the resulting deterioration. Powder-coating creates a protective barrier so the metal remains rust-free. Many natural metals like steel rust over time with exposure to moisture and oxygen. Corrosion resistance: The powder coating creates a barrier to protect against many different types of corrosion, including rust.Hardness and durability: The curing process makes powder coatings tough and durable. The finished coating will not peel or flake.These are a few of the benefits of using powder coating on metal surfaces: Once cured, though, they have greater heat resistance and are more suitable for high-temperature applications. Thermosets: Thermosets, including epoxy resins and phenolic resins, can go through curing only once.They are also ductile and chemically resistant. They are easy to alter post-curing, and their coats are easy to remove. Thermoplastics: Thermoplastics, such as nylon and polyvinyl chloride (PVC), can go through heating, molding and curing more than once.Most powder coating materials take one of two forms: The curing process also allows manufacturers to apply powder coating to various materials beyond traditional metals, including carbon fiber, composites, fiberboard and plastics. With powder coating, manufacturers typically apply dry powder electrostatically with a spray gun and then cure it in a curing oven or beneath ultraviolet light, giving it exceptional durability and resistance. Most coatings go on as liquids because their liquid forms are more adhesive than their dry forms. Liquid paint, for instance, goes on as an evaporating solvent. Powder coating creates a stronger, more durable and more resilient finish than paint and is useful on products that will need to stand up to harsh weather conditions or provide years of quality use.Īpplying powder coating works via a different process from the one used to apply paint and other coatings. The beads have an electrostatic charge that enables them to adhere to base materials. Powder coating is a polyester-based coating that uses consistently sized, dry polyester microbeads. What is powder coating, and how does it affect metals like aluminum and steel? Does powder-coated steel rust? This guide answers these questions and many more. If you make metal patio furniture pieces, you need them to resist-weather related corrosion and rust while still looking stylish enough to catch consumers’ eyes. If you manufacture outdoor equipment like cranes or aerial platforms, you need them to be strong and resistant to any chemicals they encounter on the job. When your business works with metal products and components, you need reliable ways to make them stronger and more reliable. Hydraulic Fluid Reservoir Blasting and Paint Prep.Outdoor Lighting Pole Blast Finishing and Etching.Air Blast Equipment & Turnkey Blast Rooms.
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