PF Zone: Pretreatment for Powder

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PCI Powder Coating 2017 Technical Conference Returns to Indianapolis
The Powder Coating Institute (PCI) is hosting the Powder Coating 2017 Technical Conference this spring from March 27 to 31, at the JW Marriott in downtown Indianapolis, Indiana.
CCAI Chapters Team Up for Toys and Charity
Several chapters of the Chemical Coaters Association International (CCAI) held events during the month of December to benefit charitable organizations.
Powder Coating Clinic: How to Stop Rust
Q. We make automated pay stations for parking lots, the machines that allow the customer to pay at the exit with a credit card or cash. We have had some problems with rust breaking out of the seams at the base and around the door panels that provide access to the interior of the machine. The machine works fine but customers are not happy with visible rust. We have tried to apply more coating but it will not penetrate the tight creases in these areas. We also have rust on the edges of the door frame and the door. What can we do to avoid this problem?
Powder Coating Clinic: Corrosion-Sensitive Environment
Q. I have some fencing around my swimming pool that has corroded badly over the years. It was made with steel and there is a lot of visible rust on the rails and vertical pickets. I am considering the options; have a professional painter come in and clean, repair and repaint the fence; or have the fence replaced with one better equipped to handle the harsh environment around the pool. What would you do if you were me?
Powder Coating Clinic: Adhesion Problems on Chromated Zinc Plating
Q. We have had adhesion issues when powder coating over zinc-plated aluminum. The aluminum had been nickel-flashed and zinc-plated with a hex-free chromate to meet RoHS compliance. Do you have any suggestions as to why the powder will not adhere properly to this surface?

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