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Articles by Dr. Dave Dunn Ph.D.
QUESTION: We have a lab freezer that goes down to -32°C, and the seals are torn and need replaced. What do you recommend?
QUESTION: We have been advised to use an organosilane adhesion promoter in an acrylic adhesive to bond glass to metal.
QUESTION: We are attempting to bond and seal a small steel casting onto a steel plate.
QUESTION: We use cyanoacrylate adhesives in several assembly operations, but we are reluctant to use them for parts that might be used outdoors. What do you recommend?
We have been using epoxy adhesives for many years in our assembly operations for metals and plastics. However, one of our suppliers is trying to convince us to try his polyurethanes. How do these adhesives compare to other engineering adhesives?
An emerging technology may allow adhesives in opaque substrates to be cured by UV or visible light.
We manufacture an optical reader camera that attaches to gas, electric and water meter registers (digital display). We currently use a peel-off tape to bond the plastic reader to the plastic meter.
Question: We use two-component epoxies in our metal bonding operations. Although the adhesives work well, we find it frustrating to have to handle two components and make sure that they are mixed thoroughly and in the correct proportions. Can you recommend a one-component adhesive that could do the same job?