 Nadine Blaesing Dymax Corp. Market Segment Manager Visit Website |
Nadine Blaesing is the market segment manager, Europe, for Dymax. She has more than 12 years of experience selling adhesives and providing technical assistance to the medical device market. Although she began her career as an applications engineer in Europe, and later in the United States, Blaesing eventually transitioned into marketing while keeping her focus on the medical device industry. Dymax specializes in the manufacture of light-curable adhesives, cyanoacrylates, epoxies, light-emitting curing equipment, and dispensing systems.
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Adhesives and Epoxies Q&A
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I am trying to bond a small PVC jacketed ribbon cable wire to a small piece of 17-4 stainless steel. The problem is, the bonding area is very small. We have been using a Cotronics two-part epoxy, which gets very hard but does not seem to be very tough. We are getting wire to substrate delaminations. Should we perhaps try a flexibilized two-part epoxy? The use temperature would be considered ambient, and there would be no moisture issues.Answered August 10th, 2010 by Expert:Where there are a number of different options available, I would initially start with Dymax 846-GEL/501-E acrylated urethane, with other options being 3M ScotchWeld 2216, Hysol 9462 toughened epoxy, or Hysol U-05FL urethane, to name just a few. One thing to keep in mind is the failure mode of the current material and other eventual materials. Is the adhesive sticking to one side versus the other, as in the case of PVC or stainless steel? This would indicate adhesive failure. Or is it sticking to both, indicating cohesive failure? Or are you getting a mixed result—adhesion and cohesion failure? Are you testing in a shear mode (pulling the materials along the bond line in opposite directions), or in more of a peel mode (a 90° peel)? Evaluating the bond line for these issues will help you select adhesives for your application.