QINGDAO, China—Sailun Group Co. Ltd. has developed a liquid-phase rubber-mixing process that it claims can yield tire performance improvements in multiple parameters that previously were not possible.

Natural rubber, tapped from trees as latex, is the world's most widely used bio-elastomer. Comprising long molecular chains that make it pliable and stretchy yet highly resistant to cracking and ...

CAMBRIDGE, Ohio—For the growing LMI Custom Mixing L.L.C., the process is all about control—control of its formulas for rubber compounds, control of the climate in its facilities and control of its ...