1,4-Butanediol (BDO), Polytetramethylene Ether Glycol (PTMEG) and Spandex Market (By Application: Gamma-Butyrolactone (GBT), Reaction Turbin, Polybutylene Terephthalate (PBT), Tetrahydrofuran (THF), Polyurethane (PU), Others; By Application: Spandex, Urethanes, Co-polyester-Ether Elastomers (COPE), Others; By Application: Textiles, Automotive Interiors, Medical & Hygiene, Others) - Global Industry Analysis, Market Size, Opportunities and Forecast, 2019 - 2026