Wacker plans new production site for silicone specialities in the Czech Republic

11 January 2024

Wacker Chemie AG plans to further expand its silicone specialities business and is reorganising its production operations in Europe.

A new production site for silicones is to be built in Karlovy Vary in the Czech Republic. The main drivers of this expansion measure are megatrends such as electromobility and renewable energies which require silicones from Wacker. Production is expected to start at the end of 2025. In the first step of the project, the Group would create up to 200 jobs. The investment volume is in the low triple-digit million euro range.

The new production site in Karlovy Vary is intended to complement Wacker’s existing integrated production sites in Germany – namely Burghausen and Nünchritz –, as well as the site in Pilsen, which is specialised in the area of electromobility.

“Karlovy Vary will be an important pillar for our silicone activities in Europe, especially when it comes to the production of customised silicone compounds. With this project, Wacker will be creating important conditions for further optimising our production processes and making us even more flexible within our integrated production system comprising four locations. Our customers stand to benefit from specific product solutions – reliable, highly efficient and top quality”, says Wacker Executive Board member Christian Kirsten.

The main drivers for the silicone business are megatrends such as electromobility, renewable energies and the expansion of electricity grids. “Our grades of silicone rubber are in demand in all key growth markets”, states Kirsten. “Customised silicone elastomers are especially needed where conventional materials cannot or can no longer meet the high and ever-increasing requirements. In order to be able to meet the growing demand for such solutions in the long term, we need to lay the groundwork for it now.”


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The new site in Karlovy Vary will focus on the production of room-temperature-vulcanising speciality silicones. Production is scheduled to start at the end of 2025. Later, high-temperature-vulcanizing silicone compounds will also be produced there. In total, Wacker plans to invest a sum in the low triple-digit million euro range and to create around 200 jobs by 2028. Further personnel requirements in following years are also on the cards. When fully operational, Karlovy Vary will be able to supply over 20,000 metric tonnes of custom-made silicones per year.

The raw materials required for production – polymers, fillers and additives – are to be delivered from Burghausen and mixed in Karlovy Vary to manufacture ready-to-use silicones, also referred to as compounds. “By bundling our production capacities for compounds in Karlovy Vary, we can utilise our fully continuous plants in Burghausen even better, further increase our efficiency and accelerate the planned automation of our processes”, emphasises Thomas Koini, President of the Wacker Silicones business division. “In future, our site in Pilsen will focus on the growing market for silicone gels and thermally conductive silicones. Such products are in high demand in the electromobility sector in particular. This means that our existing plants will also benefit from the new production concept.”

Wacker is co-operating with the US real estate developer Panattoni on the construction of the new site in Karlovy Vary. Development work on the site is set to begin shortly, and construction work on the building is scheduled to start in the second quarter of 2024, subject to approval by the authorities. The Czech real estate group Accolade is the owner of the 23,000-square-metre site and the eventual production building on the outskirts of Karlovy Vary.

Image caption: At its new production site in Karlovy Vary in the Czech Republic, Wacker will also manufacture room-temperature-vulcanising silicones such as silicone encapsulants to protect sensitive electronic components. (Photo: Wacker)

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