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Exploring the: Pretreatment for Powder Zone
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- Pretreatment Options
- Are you aware of any uncomplicated, user-friendly pretreatments that are compatible with powder coating, will inhibit rust on surfaces with deep inset corrosion and will accelerate beneath the coating after the process is complete?
Ask an Expert Published: 1/16/2013
- Powder on Galvaneal
- We have customers that want a smooth powder coating on a galvaneal finish. We prep with a light alcohol wipe, prebake the parts to allow for off-gassing, then spray with a smooth powder. We are having problems with “craters” and specs, so the surfac...
Ask an Expert Published: 7/20/2012
- Performance Testing
- We powder coat thicker gauges of steel (10-gauge to ¼-inch plate), using a blast operation for some of the heavier parts. We want to test the parts to confirm proper pretreatment coating performance before shipment, but we have some problems with im...
Ask an Expert Published: 6/22/2012
- Streaks in Coating
- We apply a medium-gloss gray powder on our parts at around 3 to 4 mils thickness. Sometimes our operators leave streaks on the parts when they apply the powder, and some areas are darker than others before cure and clearly visible after cure. What i...
Ask an Expert Published: 6/20/2012
- Powder Coating Pretreatment
- How do you recommend we clean a paraffin wax die lube from a cast aluminum substrate?
Ask an Expert Published: 6/1/2012
- Repair/Rework on Powder
- Is there an industry standard with regard to recoating that we can adopt?
Ask an Expert Published: 3/1/2012
- Powder on Tri-Chrome Treatment
- We have been coating aluminum alloys for some time with inconsistent field performance of the coating. Following your advice,we are now having a tri-chrome pretreatment process being done at a local vendor on all of our aluminum castings. So far our...
Ask an Expert Published: 2/28/2012
- Pretreatment Options
- Are there any new methods other than or in addition to phosphating which act as bonding media between powder and a metal surface?
Ask an Expert Published: 2/27/2012
- Corrosion Under Powder Coating
- We’re facing problems in powder coating on sheets of cold-rolled closed annealed parts. We found that, after some days, the color is peeling off, and we have found corrosion beneath that. We do a three-in-one cleaning process and then powder coat at...
Ask an Expert Published: 2/21/2012
- Options for Outdoors
- We want to provide more powder coated products for outdoor use, but we do not want to get into zinc phosphate or chrome. Can we achieve good results on steel parts if we use a primer, and if so, how do we need to process the parts?
Ask an Expert Published: 2/1/2012