2025 Supply and Demand Review: Overcapacity Forces Polyester Chain Rationalization in All Regions
Global overcapacity has long shaped the polyester value chain. In recent years, capacity expansions—led primarily by China but not limited to it—have continued to outpace slowing demand growth. The result is significant global oversupply across PTA, MEG, PIA, and PET, driving persistently low operating rates and compressed margins in every major region.