Stripping Powder Coating
Exploring the: Stripping Powder Coating Zone
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Powder Coating Clinic: Touch-up Options for Powder Coated Parts
Q. I’ve been told that a powder coated part cannot be “touched-up.” I have some patio furniture that I had powder coated and the powder coating shop that did the work for me stripped the threads in holes used to rack the part. I can fix the threads ...
Powder Coating Clinic: Making Powder Lines More Profitable
Q. We run a job shop powder coating operation with a conveyor system that runs at around 4 to 6 fpm, depending on what product is hung. We are putting through a lot of work, but our profits are not great. Can you suggest how to improve the efficienc...
Powder Coating Clinic: Avoiding Rust on Parts
Q. We apply lighter colors of powder to our ticket machines for parking lots.
Powder Coating Clinic: Discoloration of Metal-Flake in Powder
Q. We have a metal-flake silver powder color that we use regularly. If the surface is abraded with a Taber wheel—or even a pencil eraser—it darkens significantly in the abraded area. We even have this problem when our parts scrape against cardboard ...
Powder Coating Clinic: Sanding for Repair
Q. We sand aluminum die-cast parts that have minor defects in the powder coating before recoating them. The small areas of dirt, metal blemishes, fibers or similar particles are sanded using 120-grit sandpaper on an orbital sander. After recoating t...
Powder Clinic: Pinholes Mentioned in July Issue
Q. Just read the article in most recent issue of PF about our problem and wanted to respond with what we found out.
Powder Clinic: Is Blasting Enough for Preparation?
Q. I am looking into making the switch from liquid to powder coating. I have an experienced powder coater who says all my aluminum and steel parts need is to be blasted, and that should be good enough. But I am finding mixed reviews online. So is th...
Powder Clinic: Adhesion of Powder to Brass
Q. I’ve heard from a few vendors that brass presents challenges with adhesion, whereas steel and aluminum do not. What is the reason for this?
Powder Clinic: Outdoor Durable Powder
Q. We have a large job that requires protection from sunlight. What kind of powder we should use?
Powder Coating Q&A: Micro-Porosity in Cured Coating
When our parts are inspected, there seem to be thousands of very small pin pricks.