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Pretreatment Before Powder
A customer has just purchased a powder coating plant. The steel is being stored outside and is very rusty prior to powder coating. Please provide recommendations for pre-treatment prior to powder coat.
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Read MoreRE-SPRAYING PARTS
I was under the impression that if you wanted to rework and re-spray over a powder coated part the following steps should take place for the best results. Please answer these questions for me.
Read MoreProcess Classification
A facility uses a dilute solution of hydrofluoric and phosphoric acids to pretreat aluminum parts prior to painting. Should this process be classified as conversion coating, etching, cleaning orsomething else? Would the acids produce a phosphate coating, or is it necessary to have a cathodic metal in the solution to conversion coat?
Read MoreCHROMATE CONVERSION COATING
A potential client is sandblasting an aluminum substrate and applying 4–6 mils of a fairly standard white powder. The idea would be to save on powder material, as I would think 2–3 mils over chem film would be a great system. I am looking for information to support this suggestion. Can you also touch on what happens to the chem film when the powder is cured at nearly 400ºF?
Read MoreTEMPERATURE-CONTROL COATING
Can you suggest any coatings or paints that will protect the unit from solar radiation heating and keep the temperatures low within the unit?
Read MorePowder Coating over E-coat
I am aware of applications where liquid paints are being applied over E-coat, but I am wondering about the feasibility of applying powder coating. Will the powder coating stick well to the E-coat? Could you give me some guidance on that?
Read MoreStripping Chrome-Plated Parts
We have etching, erosion and severe mass loss and are losing the functional dimensions. Is this happening because the nickel is too low and the chlorine is now too harsh against the chrome and other component into the 2101? What would you recommend to strip the chrome without any effect on the duplex stainless surface?
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