Rodger Talbert Columnist
Controlling Dirt on Coated Parts
What can be done to better control the amount of dirt in a powder system and on coated parts? Powder expert Rodger Talbert weighs in on this and other questions.
Read MorePretreatment Options for Cast Zinc or Aluminum Parts
What pretreatment do we need in order to powder coat cast parts? Expert Rodger Talbert explains that a three-stage washer might get those cast parts clean, but there are some considerations.
Read MoreBenefits of New Application Equipment
Q: Is there really any benefit from these new controls, and what kind of cost savings can be expected? Powder coating expert Rodger Talbert takes on this question.
Read MoreUsing Powder in Outdoor Applications
Powder coating expert Rodger Talbert answers readers’ questions.
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Calculating the Cost of Powder Coating
How can you calculate the cost of powder coating a component if you only know its surface area? Powder coating expert Rodger Talbert has the answer.
Read MoreWhat is Back-Ionization?
Q. We spray parts using a silver metallic powder by hand. The surface has a lot of texture and small stars in certain areas and our powder supplier says it is “back-ionization.” What is back-ionization and how do we overcome the problem?
Read MoreThe Value of New Application Equipment
Q. We have an old set of automatic spray guns. The controllers are an analog design with none of the more modern features we see at shows and online. How can we save money on gun operation and how do we evaluate the savings?
Read MoreHow to Reduce Heat Gain in a Building with a Powder Coating Operation
Q. We get an enormous amount of heat in our building when our powder system is running. In the summer months, the building is almost unbearable. How can we reduce heat gain from our equipment?
Read MoreHow to Determine the Cause of Adhesion Failure
Q. We recently powder coated an aluminum structure prepped with a medium grit aluminum oxide media. After a few weeks in a warehouse, a small area was discovered where the coating had chipped to bare metal along a weld seam. What caused the adhesion loss?
Read MoreHow to Stop Outgassing with Die-Cast Parts
Q. We run aluminum extrusions using a chrome treatment conversion coating. We began running aluminum die-cast parts and are seeing small blisters and holes in the coating. How can we stop this?
Read MoreMeasuring and Controlling Transfer Efficiency
Q. Our automatic powder guns are nine years old and doing okay, but we want to enhance our transfer efficiency and reduce material cost. What is the right way to measure powder gun transfer efficiency and how can it be improved?
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How to Boost a Gradually Less-Efficient System
Q. We've powder coated automotive parts with a single-color, black epoxy for around a year. How can we regain our initial efficiency?
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