PTTGC Rayong PO Plant Shutdown: Supply Alert

PTTGC halts production at PO unit

Jun 16, 2026

PTT Global Chemical (PTTGC) has taken off stream its Propylene oxide (PO) unit in Rayong. A source in Thailand informed a team member, “The company has shut the unit around October 15, 2025, for maintenance. Further details on the duration of the shutdown could not be ascertained.” Located in Rayong, Thailand, the PO unit has a production capacity of 200,000 mt/year.