Chemical
Westlake acquires ACI’s compounding businesses to expand global footprint
The move also broadens Westlake Global Compounds’ manufacturing presence to Portugal, Romania, and Tunisia, complementing its existing operations in Mexico
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By ICN Bureau | January 07, 2026
Specialty materials company Westlake Corporation has finalised its acquisition of the global compounding solutions businesses of the ACI/Perplastic Group, a Portugal-based manufacturer of specialty materials serving the wire and cable sectors.
“The integration of ACI with Westlake’s compounding operations represents a strong strategic alignment, offering significant opportunities to further strengthen our Housing & Infrastructure Products (HIP) business. This acquisition will enhance the reach of Westlake Global Compounds and introduce new specialty products and advanced technologies to our portfolio,” said Jean-Marc Gilson, President and CEO of Westlake.
The move also broadens Westlake Global Compounds’ manufacturing presence to Portugal, Romania, and Tunisia, complementing its existing operations in Mexico.
“ACI has built an impressive reputation for delivering innovative, high-value solutions,” said Maribel Wilson, Vice President of Westlake Global Compounds. “We are excited to welcome their skilled team to Westlake and look forward to working together.”
With this acquisition, Westlake signals a major step forward in its global expansion strategy, strengthening its position in the specialty materials market.
