Rodger Talbert Columnist
Correct Coating for Outdoor Use
Is powder coating on cold-rolled steel OK for outdoor usage in high-humidity areas like Dubai?
Read MoreClear Coat Over Silver Powder
I had a commercial applicator powder coat a luggage rack for a motorcycle, applying one coat of a silver color and then a topcoat of clear powder. A few months later, the clear finish cracked. The motorcycle is garage-kept. I consulted with another powder coating company, which said the powder was probably not polyester-based. Would polyester be best in this application? Do all silvers have to be clear-coated? Do only silvers need clear coat?
Read MoreFilm Thickness Measurement: Questions and Answers
What is the proper gage to measure coating thickness of zinc plating? Also, what gage is the right one for powder coating and manganese phosphating?
Read MoreRepair/Rework on Powder
Is there an industry standard with regard to recoating that we can adopt?
Read MoreSilver-Look Powder Finish
Could we find a powder technology with the appearance of chrome? Could we find a new, environmentally friendly solution for the chrome? Do you know any other solution to get the same appearance as bright chrome for furniture finish covering?
Read MorePowder 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 performance is excellent, but we are seeing failures in testing on a new product in A413 alloy. Our casting vendor tells us A380 would be much more suitable. Do you see any issues in powder coating this alloy now that we are doing the tri-chrome pretreatment process?
Read MoreAsk The Expert: Powder on Tri-Chrome Treatment
Q. Do you see any issues in powder coating A413 alloy now that we are doing the tri-chrome pretreatment process?
Read MoreASK AN EXPERT: Corrision Resistance
Q. What should we change to enhance our salt spray results?
Read MoreCorrosion 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?
Read MoreFood-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?
Read MorePops 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.
Read MoreOptions 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?
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