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.

Injection molded plastics have revolutionized design, innovation, and manufacturing in the 20th century. Before 1950, most products were manufactured in stamped steel, die-cast aluminum, zinc, and ...

LAKE GENEVA, Wis.—Trostel Ltd. has developed an ASTM-compliant antifungal EPDM rubber bellow compound that can replace rubber as a sealant in some applications, with washing machines at the top of the ...