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Exploring the: Plant Management Zone
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- April's Adhesion Problem
- In the April issue there was a question about black paint having poor adhesion. You wrote about the oil absorption and bulking values of different pigments. I would have been interested in the gloss of his black paint.
Ask an Expert Published: 9/1/2010
- Paint Compatibility
- One of our customers has 48 steel valves ranging from from 6–48 inches. These valves were supplied to our customer coated with a high temperature one-pack silicone coating system. We have been instructed to repaint these valves.
Ask an Expert Published: 9/1/2010
- A New Wrinkle
- The same paint does not produce the same wrinkle texture when applied by the vendors—and we have tried different vendors. The only difference I can see is that we use electrically-fired ovens and they use gas-fired ovens. What do you think about thi...
Ask an Expert Published: 9/1/2010
- Vacuum Coating
- I am interested in coating PVC foam boards with paint. I heard that vacuum coating is a process that will work for this application. Can you direct me to a company that can either supply the equipment to vacuum coat, or provide the service to vacuum...
Ask an Expert Published: 5/1/2009
- Wire Coating
- We want to coat our wire (0.80 mm diameter) with a high viscosity UV ink as a thin layer (~20 µm). You have suggested in your article to use a 'wire tower.' Are there sample drawings or pictures of this system? Currently our line is running on a hor...
Ask an Expert Published: 5/1/2009
- Painting Fabricated Carbon Steel
- I have built a log splitter from carbon steel. What is the easiest way for me to prepare the steel for painting with zinc oxide primer and implement paint?
Ask an Expert Published: 5/1/2009
- Painting Galvanized Steel
- In this application the paint must last for several years in service without peeling, flaking or other deterioration. We have been getting customer complaints about paint peeling and flaking off the assemblies. What is the best way to solve our prob...
Ask an Expert Published: 5/1/2009
- Water Spotting
- I am an automotive paint formulator in the Middle East. Two weeks ago, our weather was rainy and we saw water spot defects on the horizontal surfaces of test specimens on our outdoor exposure racks. This was after the top coat curing step. We believ...
Ask an Expert Published: 4/1/2009
- Paint Over Chrome
- We currently use an aqueous cleaning system for our chrome plated parts before wet coat mask painting. The system is designed for exterior automotive adhesion specs. Can a modern vapor degreasing system provide the same adhesion?
Ask an Expert Published: 4/1/2009
- Paint Dry Film Thickness Standards
- Is there an industry standard for industrial equipment primer and paint Dry Film Thickness (DFT)? It seems like I have seen 3–5 mil thickness for both primer and paint for a total DFT of 6–10 mils.
Ask an Expert Published: 4/1/2009