Promoting Sustainable Coating through Powder Coating

March 13, 2020

In contrary to wet painting, powder coating has been emerging as one great alternative to other types of painting. This type of coating uses electrically charged resins and pigments that can adhere and stick on an oppositely charged surface of a material.

The Powder Coating Process

Powder coating is a dry finishing process used by over 15% of the total industrial finishing market. It is a type of coating that is applied as a dry and free-flowing powder. This type of coating is applied through electrostatic spray deposition, which applies electrostatic charged powder articles to the grounded surface of a material. 

The powder used in this type of coating process can be enhanced by some additives to make a material more durable. However, the powder itself will not be effective if the material is not prepared. The material subjected to powder coating must also be prepared in advance. The preparation is done through depth rinsing and cleaning of the material, ensuring that the coating will bond with the surface perfectly. 

After the powder coating application, the material will then enter a curing oven that exposes the coating to a certain temperature range. Once the powder has melted, it bonds chemically to the surface that creates the permanent paint layer of material. 

Sustainability of Powder Coating

Some resin bases that are found on powder coating possess helpful qualities and properties that can make the coating durable and stand against time. Such qualities include resistance to UV lighting, corrosion, and chemical resistance, reduced potential to chalk, and other significant properties.

The sustainability of powder coating can be manifested through the material’s finish, the coating’s efficiency, and the coating process’s environmental impact. 

The material’s finish, when coated with powder, can certainly surpass other materials with non-powder finishes. With only a single powder coat, the surface of the material can be thicker, long-lasting, and uniform in appearance compared to a material with a liquid paint coating. The chemical properties of powder coating make a product protected from peeling, cracking, and other damages.

Aside from the finish, the powder coating has greater coverage and recyclability than solvent-based coating. All wastage in the powder coating process is saved and can be used again. The developments regarding reduced curing temperatures and drying time of the powder coating process contribute to its lower consumption of energy and time. 

The environmental impact of the coating process is greater than those that are coated with liquid paint. The powder coating process does not emit volatile organic compounds (VOCs) and other air pollutants. The plants for this process also do not need high cost of pollutant management systems. The waste related to the powder coating process is also lesser than the process entailed by liquid coating systems. 

Powder Coating Application

Nowadays, powder coating is now entering the industry of construction and architecture as it is used to coat windows, railings, louvers, furniture, ceiling panels, metal fabrications, and other metal systems. Powder coating can also be used in wood, plastic, ceramic, and glass. 

The sustainable benefits of powder coating in material applications can help save a lot of people from spending too much on other types of material coating. Moreover, materials coated with powder are durable and won’t get damaged easily. To know more about powder coating, you can always ask us at G.P. Industries.

GP Industries Pty Ltd

Head Office

1 Regal Court,
Vermont South VIC 3133

Phone: (03) 9802 1355

Fax: (03) 9802 6027

Email: gp_ind@bigpond.com

Factory

Factory G,
20 Burgess Road,
Bayswater North VIC 3153

Phone: (03) 9761 7676

Fax: (03) 9761 7671

Email: gpfactory@bigpond.com

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