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We have three powder coating plants, with two high capacity vertical powder coating unit, to provide finishing in the variety of colours in RAL colours. The unit is certified with Qualicoat.
Powder coating is a type of coating that is applied as a free-flowing, dry powder. The main difference between conventional liquid paint and powder coating is that the powder coating does not require a solvent to keep the binder and filler parts in a liquid suspension form. The coating is typically applied electrostatically and is then cured under heat to allow it to flow and form a "skin". The powder may be a thermoplastic or a thermoset polymer. It is usually used to create a hard finish that is tougher than conventional paint.
After application of the powder coatings, the aluminum extrusions proceed to an indirectly heated convection oven for a complete cure of the powder coatings. The natural gas fired ovens are very energy efficient in design and provide the optimum environment to cure the powder coatings. Indirectly heating the powder cure oven eliminates the concerns about possible contaminants from the burner and helps provide excellent control over the temperature profile within the oven.
WOOD GRAIN EFFECT : As aesthetic values evolve, wood grain effect finishing is now becoming more and more popular in the fields of architectural decoration, furniture, electronics and home appliances. Wood grain effect finishing is a special powder coating process based on the latest technology in the surface finishing.
The wood grain finished aluminum profile is a perfect integration of the excellent aluminum properties with the natural appearance of natural resources such as wood, marble, etc. It is a wonderful combination of the state-of-the-art technology and aesthetics. The products have stable quality, appealing appearance and therefore a higher value of decoration.
The wood pattern coating can be cured and transferred to the surface of aluminum profile or aluminum sheet under a temperature of 200 degree Celsius.
The wood pattern can be transferred to all kinds of substrate shapes, including sheets.
The decorative effects of pictures, text and graphs, and all kinds of natural sceneries (such as wood, marble or granite grains) can be achieved through photographic technology.
Patterns of the most precious woods, such as oak, chestnut, cherry and walnut, can be imitated.
Maintenance free, will resume original effect simply by regular cleaning.
Excellent weathering-resistance performance, durable in all kinds of applications.
The special decoration needs can be realized without using wood; meanwhile the products can be recycled.
Fields of Applications
The wood effect can be applied to windows, furniture, components, appliances, transportation vehicles (airplanes, ships and cars) and other decorating materials. It can be furnished according to customer requirements.
Anodizing is a multi step process whereby aluminum is electrochemically processed to form a layer of aluminum oxide (anodic) coating which protects the aluminum beneath. The coating can also be cosmetically enhanced by dying it as a step in the anodizing process. Surface cleanliness and preparation is the key to good anodizing results.
The anodic oxide structure originates from the aluminum substrate and is composed entirely of aluminum oxide. This aluminum oxide is not applied to the surface like paint or plating, but is fully integrated with the underlying aluminum substrate, so cannot chip or peel. It has a highly ordered, porous structure that allows for secondary processes such as coloring and sealing.
Anodizing is accomplished by immersing the aluminum into an acid electrolyte bath and passing an electric current through the medium. A cathode is mounted to the inside of the anodizing tank; the aluminum acts as an anode, so that oxygen ions are released from the electrolyte to combine with the aluminum atoms at the surface of the part being anodized. Anodizing is, therefore, a matter of highly controlled oxidation—the enhancement of a naturally occurring phenomenon.