> ## Content Index
> Fetch the complete content index at: https://www.plasticsiq.com/llms.txt
> Use this file to discover other available public pages before exploring further.

# Westlake acquires the ACI Compounding Solutions business
- URL: https://www.plasticsiq.com/westlake-acquires-aci-compounding-solutions/
- Published: 2025-09-09T16:30:58.000Z
- Updated: 2026-09-21T19:03:36.000Z
- Description: ACI is a speciality materials manufacturer for the wire and cable industries.
- Author: Rhiannon Temporal
- Tags: Mergers & Acquisitions, Materials

[**Westlake Corporation**](https://www.westlake.com/?ref=plasticsiq.com) **is set to acquire the global compounding solutions businesses of the** [**ACI/Perplastic Group (collectively ACI).**](https://acimexico.biz/?ref=plasticsiq.com) **The acquisition of the Portugal-based speciality** [**materials**](https://www.plasticsiq.com/topics/materials/) **manufacturer for the** [**wire and cable sectors**](https://www.plasticsiq.com/topics/wire-and-cable/) **will expand Westlake’s offering.**

---

Westlake Corporation

## Westlake acquires the ACI Compounding Solutions business.

“The combination of ACI with Westlake’s existing compounding business will present an excellent strategic fit and opportunity to integrate with our Housing & Infrastructure Products (HIP) business. It will allow us to further expand Westlake Global Compounds and add new speciality products and technology to our existing portfolio,” said Jean-Marc Gilson, President and Chief Executive Officer of Westlake Corporation. “ACI is an impressive business with an outstanding reputation for its innovative, high-value products. We look forward to working with their talented team once they join Westlake.”

The transaction is expected to close in early 2026.

#### About ACI

The company has four production facilities around the world in Mexico, Portugal, Romania, and Tunisia. ACI specialises in manufacturing polyvinyl chloride (PVC), polyolefin, silicone, and thermoplastic rubber compounds.