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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
Corrosion Resistance
We need some reasonable corrosion protection for out parts, and our powder coating is failing in salt spray testing after nearly 300 hours. What should we change to enhance our salt spray results?
Ask an Expert Published: 2/1/2012
Food-Grade Powder
We are producing bins used to collect used cooking oil, which is used as a component in preparing animal feed. The customer asked me to provide a “Food Grade Certificate” for the powder coating material used. What should I ask my coater for?
Ask an Expert Published: 2/1/2012
Pops in the Coating
We are having a problem with a large number of fine and very dense pinholes popping up in our powder coating as it cures.
Ask an Expert Published: 2/1/2012
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
Fast Color Change
Our powder booth takes about 30 min to change from one reclaim color to another. We are thinking of making a change, but I wondered how much production time we could gain if we invest in new equipment. What are my options, and how fast can you chang...
Ask an Expert Published: 1/20/2012
Coating Methods to Avoid Rust
We manufacture basketball equipment that is used outdoors. Presently, we powder coat the equipment, but have had issues with rusting, especially in coastal and humid climates. Do you have any ideas for how to avoid the rust?
Ask an Expert Published: 1/19/2012
Volcanoes in the Coating
We are seeing a defect in one of our smooth gray powder coatings that looks like little volcanoes and is in no repeatable pattern.
Ask an Expert Published: 1/18/2012
Metal Preparation of Steel
We are planning to powder coat the part with a TGIC polyester, but we do not have a system yet. Will it be acceptable to blast the surface and not add any chemical pretreatment? Do I need a primer coat under the TGIC polyester?
Ask an Expert Published: 10/25/2011

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