Rodger Talbert Columnist
Humidity Levels for Powder Application
Could our problems with powder application be extremely low humidity levels during the winter?
Read MoreReclaim in Batch Booth
Is equipment available for collecting and re-using powder from spray-to-waste, open-end-booth applications?
Read MoreCoating Aluminum Extrusion Vertically
Can you explain the pros and cons of coating aluminum extrusions in a vertical racking system?
Read MoreAdhesion over Powder Coated Surfaces
Is there a way to improve adhesion of two-component polyurethane adhesives to polyester- and epoxy-based powder-coated surfaces?
Read MoreRubber Powder
I am looking for a powder that can be applied by electrostatic spraying that will have a rubber-like finish.
Read MoreHow to Measure Powder Value
What things should we consider as we evaluate different powder suppliers? How can we compare them so that we get the best material at the best possible price? How can we best determine the right source for our powder?
Read MoreA Good System Gone Bad
We have had problems lately with light coating on our automotive products. We have started to clean the racks more often, and this seems to help a little, but we still are not getting the kind of coverage we got when the system was new.
Read MoreIrregular Appearance
We have trouble with consistency in the appearance of medium-gloss colors on aluminum extrusions.
Read MoreSplotchy Appearance in Coating
We use manual spray guns to apply a textured powder over a cast part, and that black finishes have a dark/light, splotchy look to them after they are cured.How can wer get better appearance?
Read MoreBubbles in Steel
We apply powder coating over steel parts that have been treated with a zinc phosphate. Some parts show bubbling after running through the powder line. The parts were clean and rust-free before running. What could cause a bubble/blister on steel parts?
Read MoreYellow Tint to Parts
Some parts have a slightly yellow tint to them after running through out two-stage zinc phosphate line, even when we lower the free iron. Do you have any ideas what this could be?
Read MoreReducing Cure Time with a Hybrid Oven
Is it possible to decrease the curing time to fewer than 9 min if we change the oven to a hybrid system with combined infrared (IR) and convection heating?
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