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The Powder-Coating Process
Koenders uses a paint finishing technique called powder coating in order to ensure top quality, rust proof finish for our customers. Powder coating is a technique that applies dry paint to galvanized steel and then the paint is baked onto the surface.
Koenders deploys a 4 step process in powder coating its products
- Apply Paint
- Bake Powder
- Quality Check
Preparation is extremely important to ensure a strong and resistant finish. Since Koenders Windmills are exterior products there is a special preparation process that consists of the follow steps to ensure the paint adheres and remains to the galvanized steel parts. CLEAN, RINSE, ETCH, RINSE, GRAIN REFINE, ZINC PHOSPHATE, RINSE, ACIDULATED RINSE.
The etch step is required to remove any zinc corrosion that forms on the galvanized steel. The grain refiner makes sure that a fine phosphate is produced.
The dry powdered paint is electrostatically charged and sprayed onto each part of the windmill. The powder is applied with an electrostatic spray gun to each part. The powder is fluidized before entering the gun to improve the electrostatic charge and separate the grains of powder. This allows the powder to move more efficiently through the spray gun.
By electrostatically charging the paint particles, the powder clings to all the surface areas of each, front and back.
While the electrostatic powder remains charged on the parts they are placed into a baking oven that melts the powder particles together to form a solid finishing. Koenders use thermosetting color powders that will not re-melt upon reheating to ensure that the finish remains intact in all extreme weather conditions and temperatures.
Our powder coating experts review each part to ensure all surface area is adequately covered. Powder coat paint produces a strong, hard, abrasion resistant finish. Koenders gives a palette of colors to choose from that can be mixed and matched to form personalized windmills.
Purchase a Powder-Coated Koenders Uni-Pole
"Our pond brings a great deal of pleasure to me, thus I want to keep it algae and muck free especially in the hot summer months where pond water issues area more predominant. This year we had a very hot summer, extreme temperatures that got up into the high 80’s, low 90’s and with the use of Koender’s Nature’s Pond Conditioner and aeration windmill I was able to keep my pond algae and muck free. My goal has always been to prevent pond water issues from occurring as opposed to waiting until there is an issue."