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Ask Dr. Dave
QUESTION: We use UV-curable adhesives in a medical device as adhesives and coatings. However, we are concerned about residual, uncured materials in the adhesive that might be toxic or cause corrosion. How can we ensure that the adhesive is always fully cured?
QUESTION: We are considering polyurethane adhesives as alternatives to the epoxy- and solvent-based adhesives we currently use. Could you please give us an overview of this type of adhesive?
QUESTION: I need to assemble some sheet metal parts and must choose between a tough acrylic adhesive and an epoxy. Which would you recommend?
Question: I am trying to bond several rubber parts together. I would like to try a cyanoacrylate adhesive, but I hear they are very brittle when cured. Is that true?
QUESTION: I see many so-called “five-minute” epoxy adhesives (and sometimes ones with even shorter cure times). Are these adhesives truly strong and durable?
QUESTION: We want to bond steel to foamed polystyrene in large bond areas, and we want to use a cost-effective adhesive that doesn’t take long to dry. Is a hot melt the way to go?
Is it true that epoxy adhesives contain the same BPA that has been shown to be harmful when used to make drinking bottles?
QUESTION: The adhesives we use are now available from more than one supplier. How can we feel comfortable when changing to a new supplier?
QUESTION: We are successfully structurally bonding Belgian Blue Stone—also called Petit Granit (a non-porous limestone material)—with a two-component epoxy in an industrial process.
QUESTION: We would like to get some of our sealants approved for drinking water applications. How can we do this?