# Westlake to acquire ACI Compounding Solutions business

Westlake Corporation has entered into an agreement to acquire the global compounding solutions businesses of the ACI/Perplastic Group, a Portugal-based manufacturer of specialty materials for wire and cable sectors, with four production facilities in Mexico, Portugal, Romania, and Tunisia.

- Type: Acquisition
- Announced: 2025-08-26
- Where: Guarda, Portugal, Portugal
- Status: announced
- Products: polyvinyl chloride compounds, polyolefin compounds, silicone compounds, thermoplastic rubber compounds
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [ACI/Perplastic Group](https://endata.com/companies/13409.md) (target)
- [Westlake Corp](https://endata.com/companies/13545.md) (acquirer)
- [ACI Compounding Solutions](https://endata.com/companies/86858.md) (target)

## Sources

- [westlake.com](https://www.westlake.com/news/westlake-announces-acquisition-aci-compounding-solutions-business), 2025-08-26: "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."
- [stocktitan.net](https://www.stocktitan.net/sec-filings/WLK/8-k-westlake-corporation-reports-material-event-c3c358f864f1.html), 2025-08-26: "Westlake Corporation reported that on August 26, 2025 it entered into an agreement to acquire the global compounding solutions businesses of the ACI/Perplastic Group."
- [bioplasticsportal.com](https://bioplasticsportal.com/news/2025-08-27-westlake-announces-acquisition-of-aci-compounding-solutions-/), 2025-08-27: "The integration of ACI Compounding Solutions aligns perfectly with our long-term vision of providing high-performance, sustainable products to our global customer base."
- [interplasinsights.com](https://interplasinsights.com/plastics-industry-news/latest-plastics-industry-news/westlake-acquires-aci-compounding-solutions/), 2025-09-09: "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."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.