Pretreatment for Powder

Exploring the: Pretreatment for Powder Zone

78 Results for: Experts

Sort by:
Published: 1/1/2017

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...

Published: 1/1/2017

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...

Published: 1/1/2017

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 pro...

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: 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...