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In the natural environment, most of the materials are essentially is prone to oxidation, corrosion, not cling to good paint, ... Therefore the lifespan of the product decreases greatly. The downside will be overcome thanks to the process of surface treatment. Such as chromate, zinc or aluminum surface chemistry phosphate steel surface chemistry. However, this is the traditional treatment with many disadvantages of operating environment and high cost. To overcome the weak point of this research develops new products of phosphate company after many years of research have created a superior product 3 in 1 handle was the same at 3 metal aluminum, iron, zinc, with the name @COAT-2009 and costs the price just by half compared to the traditional process.@COAT-2009 is the new product in the field of metal surface treatment, used to treat and passive metal surfaces such as iron, steel, zinc, aluminium and their alloys before painting. This product has been developed for alternative research chemicals in the process of phosphate complex and costly.This process is very efficient economically based on the Chromium (III) less toxic, very thin oxide-film is formed on the surface of metal capable of outstanding anti-rust and paint grip. @COAT products-2009 is easy to use (operate) and friendly to the environment. This process does not create the sludge (sludge) as phosphate process normally, so will not be stuffy phenomenon pipes, nozzle ... as phosphate process, thereby saving costs and time.One more advantage of the process of @COAT-2009 short processing time, temperature, concentration of chemicals, low compared with phosphate process.A process handle with @COAT-2009 usually consists of the following steps:DegreasingWash waterRust removal (if corrosion products)Wash waterWith passive @COAT-2009Wash waterDryingPaint
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