Parts Cleaning
Protecting Brass
I have had customer complaints about the clear coat peeling and corrosion problems on solid-brass numerals for house identification. Can you give any tips on how to polish the brass and protect it for years to come?
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Just How Clean Is Clean?
Most finishing consultants have lost count of the number of times that inadequate cleaning and pretreatment was the cause of defective painting or plating. Skip plating, blistering, delamination—these are just some of the commonly found defects caused by poor cleaning.
Read MoreTackoff: In Pursuit of the Perfect Paint Job
When it comes to today’s vehicles, a high quality paint finish is the first thing a consumer notices. The automotive industry is constantly improving its paint shop either by upgrading existing facilities or by building new ones to take advantage of the latest technology available. But manufacturers also go to extraordinary measures to prepare the vehicle’s surface before it is painted, including making sure the surface is clean and ready to absorb a coating.
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Q: Best type of polymer for a baking enamel?
Carl Izzo has the answer to this question and many others
Read MoreSolving Intercoat Adhesion Problems
When a part is rejected because of a paint defect, we try to recoat it, but the second coat won’t adhere to the first, causing us problems. What is the best type of polymer for a baking enamel that allows it to be recoated with excellent adhesion?
Read MoreTanks for Citric Acid Passivation
We want to change over to citric acid bath passivation. Can we use the same tanks that we use with nitric acid?
Read MoreAluminum Pretreatment for Paint
I am trying to clean and scuff (sand) primed aluminum to prepare for painting. An equipment supplier suggested trying shaved dry ice with a low percentage of particulate like nut shells or baking soda. The dry ice supplier we use does not provide that material. Have you heard of this treatment and do you know of a supplier of this material?
Read MoreCaustic Effect On Zinc-Coated Steel
Can you tell me whether caustic soda will dissolve the zinc coating on zinc-coated steel?
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