Global 14 - Butanediol (BDO) Polytetramethylene Ether Glycol (PTMEG) And Spandex Market By Product Type (Reppe process Davy process) And By End-UsersApplication (Tetrahydrofuran (THF) Polybutylene Terephthalate (PBT)) Global Market Share Forecast Data In-Depth Analysis And Detailed Overview and Forecast 2013 - 2026