Ask Joe

07
Q Dear Joe, We powder coat in house and have a 5 stage washer of which 1 stage is a phosphoric acid bath. Do we have to have iron phosphate to get g...

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07
Q Hi Joe, What makes one powder fluidize better than another? Jason S., Denver, PA. A Dear Jason, This is an excellent question. To make a powde...

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07
Why Are We Falling Flat? Q Hey Joe, Why are we seeing random flat spots in a textured powder after the metal has been washed? Aaron K, Decatur, Il...

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04

Dear Joe,

Can a standard iron phosphate pretreatment be used as a corrosion inhibitor for steel? That is, can I process my parts with iron phosphate at one location and then ship them to another location for powder coating? The parts are made in Asia and the coating process is in the United States.

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01
Q-Dear Joe: Hope you are fine. What is your recommendation to guarantee an adhesion of powder apint for surface "hot-dip zinc coating"? Best reg...

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01

What do you think is the best way to degrease steel and aluminum prior to coating? I have seen various options out there, but there seem so many to choose from I was wondering what you thought was the best option? Specifically, when sand blasting is not an option due to the “coarse” surface area left. I know sand blasting can be fine, but it is still difficult to get a smooth surface.

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01

Dear Joe,
I have some brake calipers that I powder coated, and I would like to add lettering and then add a clear powder coat and put in the oven and bake it. I would like to know of any material (vinyl, decal or anything) that can withstand 400°F to be powder coated over.

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01

I’m working on a marketing research project and have a question regarding powder coatings used on MDF (medium density fiberboard). Do they always have to be UV-cured?

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01

Dear Joe,

I’m a manufacturer of powder coatings in Vietnam. We have a problem in product as follows:

The reclaimed powder is being sprayed on...

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01

BITS...the most common complaint of powder coating ? What are the sources of “bits” in powder and how can we eliminate or control them either during production process or during application? Please discuss.

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