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Refurbishing Gas Cylinders
We refurbish LPG cylinders and apply powder coating over the shot-blasted cylinders, but we have trouble getting coverage into the deep areas where the collar and foot-ring are welded onto the pressure vessel. I am looking for a nozzle that can reso...
Ask an Expert Published: 10/28/2013
Applying Metallic Powder
We apply a metallic, silver powder to sandblasted parts, many of which are also processed through a five-stage iron-phosphate wash system. We have a lot of problems with the pigment “bunching” and standing up on the edges, and cannot seem to elimina...
Ask an Expert Published: 9/23/2013
Clumping of Powder
What causes some of our powders to clump up and resist fluidization and flow?
Ask an Expert Published: 8/2/2013
Powder Gun Voltage Adjustment
We currently are using spray guns where we can only control the KV and not the micro amps and are having a problem with the film thickness of a particular polyolefin powder.
Ask an Expert Published: 7/31/2013
Paint vs. Powder on Transformers
What are the advantages and disadvantages of powder over liquid painting on the exterior of our products?
Ask an Expert Published: 5/30/2013
Coating Aluminum Extrusion Vertically
Can you explain the pros and cons of coating aluminum extrusions in a vertical racking system?
Ask an Expert Published: 3/27/2013
A 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.
Ask an Expert Published: 2/21/2013
Irregular Appearance
We have trouble with consistency in the appearance of medium-gloss colors on aluminum extrusions.
Ask an Expert Published: 2/20/2013
Splotchy 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?
Ask an Expert Published: 2/19/2013
Powder on Aluminum Extrusion
We have been using liquid paint for our architectural aluminum extrusions for about 20 years, but have considered using powder coatings to reduce our VOC and save cost. Can powder coatings meet AAMA 2604 and 2605 standards? What are the strengths an...
Ask an Expert Published: 8/2/2012

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