Bridgestone Develops Next-Gen Polyisoprene, Potential to Outperform Natural Rubber on December 15, 2016 in Innovation, Materials Bridgestone Corp. (TYO: 5108) announced on Dec. 13 that it has successfully synthesized a next-generation polyisoprene rubber (IR). The material…... Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Continue Reading