Adhesion on Galvanized Steel
We just took on a new job for some parts that are hot-dipped galvanized and we are having big problems with adhesion failure.
Q. We have been coating a lot of different substrates for some time now including hot-dipped galvanized (HDG) steel with no major problems. We just took on a new job for some parts that are HDG and we are having big problems with adhesion failure. We clean the parts in our five-stage washer and apply the coating. The parts look good but often fail the adhesion test.
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