Shin-Etsu Chemical Co. Ltd. (TYO:4063) has developed a first-of-its-kind low-density moldable silicone for producing lighter rubber molded parts with the company’s Liquid Injection Molding System (LIMS). The conventional method of making silicone rubber more lightweight has been to add a blowing agent to millable silicone rubber to shape it into a sponge, but Shin-Etsu Chemical’s new product does away with...