Two-shot injection molding and the right materials put soft-touch grips and watertight seals on an expanding array of structural plastics. There are times when hard plastics need softer qualities.

Designers under the gun to eliminate assembly and secondary operations are taking a hard look at multicomponent injection molding — a process best known for putting nonslip grips on handheld consumer ...

LAWRENCEVILLE, Ga.—United Soft Plastics, a manufacturer and custom compounder of thermoplastic elastomers, has opened a new 10 million-pound-per-year production facility in Houston. The new plant, ...