Carl Izzo Consultant
Q&A: Spray Gun Flow Rate Problem
Q. We have problems achieving consistent paint flow through our spray guns (typical rates range from 10 to 50 g/min).
Read MoreSpray Gun Flow Rate Problem
How do we achieve consistent paint flow through our spray guns?
Read MoreAbrasion-Resistant Coating
What is the best method for refinishing metal cannery machine parts?
Read MorePainting Hot-Dipped Galvanized Steel
Do you know of a successful and fool-proof method for cleaning and pretreating hot-dipped galvanized steel before painting?
Read MoreNew Painting Facilities
We are looking at options fro replacing a spray painting line and have been considering installing an electrocoat line to replace spray priming. What kind of trouble can we expect on startup?
Read MoreLow Phosphate Coating Weight
We are getting a low coating weight with an immersion zinc phosphate coating. Could pH be a factor in this issue?
Read MoreSpraying High-Viscosity Paints
We have problems getting a consistently even distribution of a high-viscosity paint in the spray pattern, resulting in striping on the sprayed parts. To get better results, we are currently adding reducing solvents to lower the paint’s viscosity for spraying, and we have tried airless spray equipment from several suppliers with mixed results.
Read MoreHot Alkali-Resistant Coating
I am a commercial painting contractor and have a customer who is installing a stainless steel tank that will contain a hot alkali solution. The process will be run at about 98ºC. I am looking for a coating to stand up to a hot caustic solution at a 50 percent concentration.
Read MoreAutodeposition
We are considering revamping our paint finishing line and were wondering if we could use the autodeposition process described in the July issue of Products Finishing to paint our products.
Read MoreCoating Plated Zinc Jewelry
What is the best way to apply a clear hard coat for durability on plated pieces of zinc jewelry?
Read MorePhosphating Dust and Overspray
How can we cut phosphating dust after zinc phosphate and passivating stages, and reduce overspray losses in our water wash spray booth?
Read MoreFinding Paint Testing Laboratories
We occasionally have problems with insufficient paint adhesion. Where would I find a lab to perform an in-depth analysis of the adhesion among the interface of our paint, a base coat and primer material?
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