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Blisters During Corrosion Testing
We are coating parts that are hot-dip galvanized, and we fail corrosion tests because we develop blisters. How can we investigate the root cause?
Read MoreValue of Powder Environmental Room
For several years we have operated our powder system without a room to enclose the booths and application process. It has worked out OK, but we need to make some adjustment for different humidity conditions. Is the cost of adding the room is justified?
Read MoreEvaluation of Powder Materials
What issues should we consider in order to evaluate different suppliers and pick the best one? We know that the price per pound is one item, but how can we be sure it is good powder?
Read MorePowder Adhesion on Cast Iron
We are planning to apply powder coating over cast iron drains that will be cemented into the floor. We have used epoxy liquid paint for this application, but we are interested in switching to epoxy powder. Will the powder adhere to the cast iron material?
Read MoreElectroless Nickel on Aluminum
s there a special process for plating electroless nickel on aluminum?
Read MoreSintered Metals
Our zinc plater is having a heck of a time with a part that is made from sintered steel. The shop does a good job with all of our non-sintered parts. Do you have any advice for solving this problem?
Read MoreEconomics of Phosphating
Can you give me an economic analysis of the advantages of phosphate coatings of steel?
Read MoreNitric Acid
Which grade of nitric acid do you recommend for post-treatment of zinc-plated parts? There are three grades listed by my chemical supplier: commercial/technical, L.R. and A.R.
Read MorePinholes in Paint Film
What is the cause of pinholes in our solvent-based paints, and what steps can we take to eliminate this problem?
Read MorePhosphate Bleed Through
All of a sudden we began having problems with the appearance of our coated products. The irregularities in the phosphate coating are telegraphing or bleeding through the paint when the high-solids coating is applied.
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