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October 21, 2021updated 26 Apr 2022 12:35pm

Westlake Chemical Corporation Lake Charles Complex, US

By Carmen

Westlake Chemical Corporation Lake Charles Complex is an active petrochemical complex located in Louisiana, the US. The complex started commercial operations in 1947 and currently has an active annual capacity of 8.02mtpa. Its capacity is expected to remain the same as 8.02mtpa in 2030. The plants in this complex are operated by Westlake.

Key Products Capacity – Westlake Chemical Corporation Lake Charles Complex, 2020

Key products produced in this complex include ethylene dichloride (EDC), caustic soda, chlorine, ethylene, vinyl chloride monomer (VCM) etc.

Ethylene Dichloride (EDC) accounts for major capacity share i.e., 24.9% of the total annual capacity of the complex with 2mtpa, followed by caustic soda and chlorine with 16.9% (1.36mtpa) and 15.8% (1.27mtpa) respectively.

About Westlake

Westlake Corp (Westlake), formerly Westlake Chemical Corp, is a manufacturer and supplier of petrochemicals, polymers, and building products. Its products include olefins, vinyl chemicals, styrene, polyethylene, and polymers. The company manufactures petrochemicals through olefins business such as ethylene and styrene monomer. Westlake vinyl products are used in residential siding, pipe, and fittings for water, sewer, and industrial applications; PVC profiles for windows, doors, fences, and decking along with films. The company offers its products to nutrition and health care, consumer lifestyle, building, and construction. It operates across Asia, Europe, and North America. Westlake Chemical is headquartered in Houston, Texas, the US.


Information on the petrochemical complexes/plants is sourced from GlobalData’s oil & gas petrochemicals plants database that provides detailed information on all active and upcoming, petrochemical plants globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.

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