Westlake Chemical Acquires Dimex LLC from Grey Mountain Partners

Westlake Chemical Acquires Hexion's Epoxy Business

February 1, 2022

Manufacturing

Westlake Chemical Corporation completed the acquisition of Hexion's epoxy-based Coatings and Composite businesses (the "Epoxy Business") for approximately $1.2 billion. The transaction transfers Hexion's epoxy specialty resins, base epoxy resins and intermediates product lines to Westlake; Hexion will continue to operate its Adhesives and Versatic Acids and Derivatives product lines following the divestiture.

Westlake Corporation Acquires ACI/Perplastic Group's Compounding Solutions Business

January 5, 2026

Manufacturing

Westlake Corporation has completed the acquisition of the global compounding solutions businesses of the ACI/Perplastic Group (collectively, "ACI"). The deal expands Westlake Global Compounds' manufacturing footprint into Portugal, Romania and Tunisia (adding to Mexico) and brings new specialty products and advanced technologies to Westlake's Housing & Infrastructure Products business.

Westlake Acquires Hexion's Global Epoxy Business for ~$1.2B

February 1, 2022

Manufacturing

Westlake Chemical Corporation completed the acquisition of Hexion Inc.'s global epoxy business for approximately $1.2 billion in an all-cash transaction. The acquired business—to be branded Westlake Epoxy and headquartered in Rotterdam—adds specialty epoxy resins, modifiers and curing agents that expand Westlake's coatings and composites capabilities for end markets such as wind energy, automotive and aerospace.

TRANSTEX Acquires US Liner Company

July 10, 2024

Manufacturing

TRANSTEX, a cleantech transportation OEM, has acquired US Liner Company (formerly American Made LLC), a Pennsylvania-based manufacturer of glass-reinforced thermoplastic composite components. The acquisition expands TRANSTEX's North American manufacturing capacity and secures a supply of lightweight, corrosion-resistant composite materials for transportation, RV and agricultural applications.

One Rock Capital Partners Acquires Eastman Chemical's Tire Additives Business (Flexsys)

November 1, 2021

Manufacturing

One Rock Capital Partners has completed the acquisition of Eastman Chemical Company's tire additives business and renamed the standalone company Flexsys. The business, a global leader in specialty rubber chemicals with more than 500 employees and multiple production sites and technology centers, will be run independently with support from One Rock to drive growth and operational improvement.

Westlake Chemical Acquires Boral's North American Building Products Businesses

October 1, 2021

Building Products

Westlake Chemical Corporation completed the acquisition of Boral Limited's North American building products businesses (roofing; siding, trim and shutters; decorative stone; and windows) for $2.15 billion in an all-cash transaction. The deal roughly doubles Westlake's building-products portfolio, adds approximately 4,600 employees across 29 manufacturing sites in the United States and Mexico, and broadens Westlake's product lines and geographic footprint in the North American housing and light commercial markets.