Pretreatments

Exploring the: Pretreatments Zone

228 Results for: Experts

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Published: 12/1/2016

Powder Coating Clinic: Oil Seeping out of Large Welded Tubing
Q. We have a large part made out of tubing that is welded together. The tubing has a lot of oil seeping out of the welds when the part is heated and causes a defect in the cured film. We cannot get the oil out of the tubing in our washer. We tried c...

Published: 12/1/2016

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 ...

Published: 12/1/2016

Powder Coating Clinic: Powder in Layers
Q. We are in the process of designing a new powder system for aluminum extrusions and building panels. Our current system uses a six-stage dip pretreatment process and a three-layer liquid paint process (prime, color coat, clear coat) that meets AAM...

Published: 12/1/2016

Liquid Coatings Clinic: Considerations When Purchasing a Spray Booth
Q. Our company is in the market for a new spray booth and has been looking at several options. We want to make sure it is energy and cost efficient. What should be considered in the design of a spray booth to capture paint overspray?

Published: 12/1/2016

Ecoat Clinic: High Throwpower Impacts Ecoat Performance
Q. Why is high throwpower so important to the overall applied cost for an electrocoat system? What specific elements of the system are affected by it? How can I measure the throwpower effect?

Published: 11/1/2016

Powder Coating Clinic: Avoiding Rust on Parts
Q. We apply lighter colors of powder to our ticket machines for parking lots.

Published: 11/1/2016

Powder Coating Clinic: Masking for Logo Design
Q. We are powder coating stainless steel water bottles for our company. For our logo, we would like to use a vinyl sticker or decal before powder coating. After the coating is applied, we want to peel the vinyl off to achieve a stainless steel logo ...

Published: 11/1/2016

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 ...

Published: 11/1/2016

Powder Coating Clinic: Measuring Film Thickness before Cure
Q. How can I tell if the powder film build is thick enough before I cure the powder coating? We coat a lot of square footage and we need to control our cost. We often put on too much powder to avoid light coating. I need to know what my uncured film...

Published: 11/1/2016

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...