Powder coated tin ceiling tile.
Powder coating is the process of shooting electrically charged dried paint particles onto a grounded metal and heating at a temperature high enough to make the paint particles melt and adhere to the metal. Powder coating is the youngest type of surface finishing techniques employed today and is not for the novice painter. Powder coating requires special equipment and significant investment, but the end product offers many advantages over traditional oil based paints such as fewer coats, tougher finish, and longer lasting paint jobs. Tin ceilings are just one of many products that today are getting powder coat finishes. Normally, powder coating takes place in a manufacturing facility, however consumers are able to purchase the equipment to do the job themselves as well. This article walks you through the process of your tin ceiling tiles.
Instructions
1. Lay the tiles out in your painting area as they must be prepped and cleaned prior to the painting process. Use the cleaning solution purchased from the paint shop to clean each tile front and back. Rinse , then use the etching solution to create a surface for the paint to adhere to. Rinse with demineralized water again, followed by a treatment of the phosphate solution.
2. Rinse once more with and let it air dry. Load your electrostatic spray gun with thermoplastic paint powder and ground your tin ceiling tiles by connecting each to a ground wire. Slowly and evenly coat each piece of tin with the powder coat. There is no reason to layer heavily, as long as there is an even distribution.
3. Immediately place the tin pieces into the industrial oven and heat to the appropriate temperature according to the paint manufacturer's guidelines. The guidelines should also tell you if the heating process is a "flash heat" (an intense, hot burn) or a slow heat (slow steady burn).
4. When the tin has been heated accordingly, allow it to cool in the oven prior to introducing the metal to outside air. Allow it to air dry an additional 24 hours before installation.
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