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November 11 news, Vietnam's Long Son Petrochemicals (Long Son Petrochemicals, LSP) has officially announced its latest restart plan. This is Vietnam's first large-scale integrated petrochemical complex, with the goal of resuming production in the second quarter of 2027. After restarting, it will gradually increase the load, and plans to complete all commissioning work by the end of the third quarter of 2027, about 3 months ahead of the original schedule.
LSP is part of the SCG Chemicals segment of Thailand's Siam Cement Group, and the plant has been fully shut down since the end of might 2026. The core trigger of the shutdown is the disruption of traditional raw material supplies due to geopolitical conflicts in the Middle East. The cost of purchasing raw materials via detour routes has risen significantly, so the company chose to take the initiative to shut down to risk avoidance, while carrying out a full plant overhaul and the LSPE upgrade project (ICIS).
The total investment of this LSPE upgrade project is 500 million US dollars. After the transformation is completed, the plant can consumption ethane imported from the United States as a supplementary raw material, realizing the diversification of feedstock sources, reducing application on Middle Eastern raw materials, enhancing the supply chain's risk resistance, while cutting carbon releases and optimizing production costs.
Designed production capacity of Long Son Petrochemicals' cracking unit: 950,000 tons/year of ethylene, 400,000 tons/year of propylene, 100,000 tons/year of butadiene, and the total capacity of supporting polyolefin units is 1.4 million tons/year, making it an crucial supplier of olefins and plastic raw materials in Southeast Asia. This shutdown, which lasted to greater than a year, has continuously affected the spot supply pattern of ethylene, propylene, PE, and PP in Southeast Asia, and raised expectations of tight supply of olefins in the region.
The company's regulation stated that during the shutdown, in-depth equipment maintenance was carried out simultaneously to ensure the operational stability of the unit after resuming production; after the safe restart in the second quarter of 2027, the production load will be gradually increased to complete the commissioning and verification of the new process.
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