One of the most popular industrial finishing processes is powder coating. Since its introduction in North America in the 1960s, it has become quite popular and in demand. In fact, services for powder coating Sydney has comprised 15% of the total industrial finishing market.
How does powder coating work?
Powder coating is the process of melting, mixing, cooling, and grounding a mixture of materials that include polymer resins that are combined with curatives, leveling agents, pigments, flow modifiers, and more. Once everything is incorporated well, they are ground into powder that looks like baking flour. Then, to apply the powder coating Sydney has, a process called electrostatic spray deposition (ESC) using a spray gun to apply the powder coat on any metal substrate. After that, the coated parts are placed inside a curing oven to create a high cross-link density molecular chains that are resistant to breakdown.
What makes powder coating so popular?
- It’s durable. Any metal or plastic that undergoes Sydney powder coating process becomes resistant to abrasion or corrosion. Some companies add other compounds to the powder to enhance the coating’s anti-abrasive and anti-corrosive properties.
- It lasts longer. One of the many reasons powder coating is popular is because it lasts for years with little to no fading over a long period. In fact, its quality remains the same regardless of exposure to UV rays and natural elements.
- It comes in a variety of colours and finishes. Some of the finishes available for the application of powder coating Sydney has today include metallic, high gloss, and clear finishes. When applied by a specialist, the quality and accuracy of the colours are guaranteed.
- It’s less toxic. Other coating bases can emit toxic compounds into the air when heat or electricity is applied, which can pollute the atmosphere. They can also be toxic if improperly handled by inexperienced workers, and can be harmful to the environment, requiring extensive air treatment to clean the air. But with powder coating in Sydney, 98% of the overspray can be reused.
- It’s cost-efficient. It’s an inexpensive option but with excellent results, especially when it comes to quality and durability.
What are some of the most common applications of powder coating?
- Outdoor products – normal base coating cannot withstand the natural elements. This is why powder coating is used on furniture and appliances for the outdoors. These can be anything from agricultural machines to sports equipment, like golf clubs, bicycles, and ski poles.
Street signs and other signage materials placed in public areas are also applied with powder coating.
- Appliances – the electronics industry account for about a third of the industrial powder coating applications. These include household appliances, like microwave ovens, washing machines, dryers, dishwashers, and more. This is because this type of coating is resistant to abrasion.
- Automotive parts – powder coating is extensively used in the automotive industry both as a base coat and a finish. Some of the common applications include surface primer, under-hood components, wheels, frames, and buses and trains.
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