# Evonik expands POLYVEST HT plant in Marl

Evonik is expanding its POLYVEST HT plant in Marl, Germany, for hydroxyl-terminated polybutadienes (HTPB) with a double-digit million-euro investment, completion expected in Q2 2024.

- Type: Expansion
- Announced: 2023-12-15
- Where: Marl, Germany, Germany
- Starts operating: Q2 2024
- Status: under construction
- Products: hydroxyl-terminated polybutadienes (HTPB)
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md)

## Companies

- [Evonik Industries](https://endata.com/companies/5809.md)

## Sources

- [coatingsworld.com](https://www.coatingsworld.com/breaking-news/evonik-to-increase-production-capacities-for-htpbs/), 2023-12-15: "Evonik has begun work to expand its POLYVEST HT plant in Marl, Germany."
- [ipcm.it](https://www.ipcm.it/en/post/evonik-increase-production-capacities-polybutadienes.aspx), 2023-12-18: "By expanding our operations, we will continue to provide reliable service to our global customers."

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