As a material class, polyurethanes have unique properties over many other polymeric materials.

Given any of the variety of adhesive and sealant products on the market, many ASI readers could probably determine the specific VOC rule and level that would apply.

QUESTION: We use a UV adhesive/coating for assembling the plastic and metal components of a complex medical device. We need to optimize our curing process and ensure that the adhesive is fully cured with maximum properties. What are the most important factors?

I’m writing this column one day after the horrific terror attacks in Boston. Authorities are unsure whether the origination was domestic or foreign, and we’ve all got more questions than answers. The thoughts and prayers of all of us at ASI are with those affected by the attacks.