Monday, July 29, 2013

When Searching For Elegant Powder Coating Mooresville NC Needs The Priority

By Maryanne Goff


When one needs professional powder coating Mooresville NC presents the best choice to go for. Powder coating is a form of coating, which is applied as dry and free flowing powder. The substance can be either thermoset or thermostatic polymer. The coat is applied electrostatically, followed by curing under heat to enable it to flow freely and form a skin. Most people find it difficult to differentiate between a powdered coat and a conventional liquid paint.

Drawing a distinction between the methods requires skills and once a person knows what to look out for then this becomes simple. Powdered coats do not require liquids to keep the binder and filler parts in liquid state. Powdered coats form harder finish, which is in turn tougher compared to that of standard liquid paints.

The coats are applied mainly on metals like bicycle and automobile parts, aluminuim extrusions, and household appliances among many others. With new technologies, some special methods are applied, which enable coating of materials such as medium density fibreboard abbreviated as MDF. This is because such materials are non-metallic and having them coated proves to be quite challenging.

Many advantages are connected with the method including their zero VOC rating. VOC stands for volatile organic compounds. It forms thicker coats with no running or sagging and the coatings are recyclable. The cost for running production lines, buying capital equipment, and operation is lower compared to that of other coating techniques. There are few faults in this process, as it is hard to differentiate between upright and horizontally coated surface. It is simpler to come up with a variety of specialty effects.

The challenge with this method is that it is not easy to apply thin films. It also becomes quite expensive to such apply coats on smaller jobs. Thin films may not conceal metal defects, which might have occurred at the time of manufacture. They may also show fingerprints. The overspray can only be recycled if only a single color is used this however becomes impossible if multiple colors are used.

The application procedure is sub-divided into 3 major stages. The stages are powder application, curing, and part preparation or pre-heating. Pre-heating entails removal of metal oxides, oil, welding scales, grease, and soil from the surface prior to applying a coat. This may be done by different mechanical and chemical techniques. The selected clearance technique depends on factors like the expected results and the size of the material.

Film application is done using electrostatic guns. The guns impart positive charges to the powder that is then sprayed on the object by compressed or mechanical air. Electrostatic charges then accelerate the powdered substance onto the surface. The nozzles are shaped differently and are chosen according to the shape of material to be worked on. Once the paint is applied the object is heated so that the powder melts into an even coat.

There are underway researches on the method that will result into new application procedures, formulations, and improved equipment introduced in the market. As per the present records, commercial uses like furniture, automotive, and appliance industries are the chief users of this technique. With advanced technologies, the method has been introduced in other fields like IT and telecommunication. This is why when in need of powder coating Mooresville NC should be prioritized.




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