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.
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?
In August 2012, the Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) issued a joint final rule for Corporate Average Fuel Economy (CAFE) standards for 2017-2025.
As in previous years, this year’s handbook has been updated with many new products and definitions. The listings are divided into five major categories: Additives and Chemical Specialties; Oils and Fatty Acids; Resins and Base Polymers; Pigments and Dyes, Dry/Dispersions and Extenders; and Solvents.
QUESTION: In the manufacturing world, the recycling of materials and the use of “green” materials are popular trends that are increasingly coming under legislative pressures. What about the recycling of adhesives and sustainability in the adhesives industry?
Some products that are considered to be coatings may not lie within the architectural coatings rule, but may instead cross over to adhesives and sealants rules—or even others.
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.
Certain polymer-based adhesives are described as crystalline, while others are described as amorphous. How do these adhesive polymer types differ? What advantages could be expected from each type?