WILMINGTON, Del. (June 22)—Advanced Elastomer Systems L.P. said June 21 it has taken an investment position with ElastomerSolutions.com, a rubber exchange launched in April. The global producer of engineered thermoplastic elastomers becomes the eighth rubber company on board the exchange, joining Bayer Corp.; CK Witco Corp.; DSM Elastomers; DuPont Dow Elastomers L.L.C.; Flexsys B.V.; M.A. Hanna Rubber Compounding; and Zeon Chemicals L.P.