Aster Chemicals SM Shutdown: India Supply Alert

Aster Chemicals to keep No.2 SM unit off stream

Jun 09, 2026

Aster Chemicals and Energy is likely to keep its No.2 Styrene monomer (SM) unit offline. A source in Singapore informed a team member, "The company is expected to keep its unit offline for an unspecified period. The unit was taken offline in early May 2025 for maintenance, with operations initially planned to resume in mid-June 2025. However, this information could not be confirmed by an authorized source." Located in Pulau Seraya, Singapore, the No.2 SM unit has a production capacity of 620,000 mt/year.