Liquid Coating
Drying Time Chart
I am an industrial engineer for a plant located in the northwestern United States, where temperature and humidity vary widely. How can I determine my paint processing time for these products? Are there any standard tables of drying times based on temperature and humidity?
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Building Blocks of an Aqueous Cleaning Process
Chemistry, time, temperature and mechanical energy are the keys
Read MoreSeeds in the Paint Film
We have a coating line in our shop. For one of our customers, we recondition equipment cabinets. When we spray dark colored topcoats, we often find defects in the form of seeds on the surface. This doesn’t seem to happen when we spray light colors. Another problem we have from time to time is dust. What must we do to get seed-free and dust-free paint jobs?
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One-Stage Iron Phosphate
We manufacture control housings for the oil industry. The steel housings are zinc phosphated then painted with a durable outdoor finish system. The phosphatizing machine is badly deteriorated. Can we replace it with a parts washer using one of the combination cleaner-phosphates?
Read MoreStill Valuable
Vapor degreasing remains the cleaning process of choice in some applications
Read MoreSkins On Alkyd Paint
I have a problem dealing with polymerization of an alkyd paint. Occasionally a rubber-like layer will form on top of the paint. When we mix in the rubber-like layer, the paint becomes useless to us because it now contains particles that clog our spray guns. If you are familiar with these types of paints, I would certainly appreciate receiving any information as to whether or not the rubber-like layer is caused by heat, air or both.
Read MoreMore On Hash Marks
I read with interest your reply to B.M., concerning the striations he is getting on his parts that are being dipped. Since he has changed to an air dry enamel, he is using a completely different coating.
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