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… the Olefins business segment – ethylene, polyethylene and styrene monomer. Most of our ethylene production supplies our internal needs in the polyethylene and vinyls businesses.   Westlake Polyethylene As the world’s … facilities and related assets. Our business and operations are conducted through OpCo, a recently-formed partnership …
… in terms of volume. It is the key building block for production of higher value-added chemicals including … polyethylene, ethylene dichloride (EDC), ethylene oxide and styrene. Westlake operates a large ethylene complex near …