Joint Ventures

Borealis provides services and products to customers around the world in collaboration with its joint ventures

Baystar™ (USA)

Bayport Polymers LLC (Baystar™) is a joint venture 50% owned by Total Petrochemicals & Refining USA, Inc. (TPRI) and 50% owned by Borealis through Novealis Holdings LLC. Baystar combines Total’s expertise in operating major industrial platforms with the Borealis proprietary Borstar® technology to deliver a broad range of products to help meet the growing global demand for plastic products. The joint venture includes an ethane-based steam cracker with a capacity of 1 million tons per year – a project initially developed by Total and currently under construction in Port Arthur, Texas – and a new 625,000 metric ton-per-year Borstar® polyethylene unit to be built in Pasadena, Texas.


Borouge (UAE, Singapore)

Borouge, listed on the Abu Dhabi Securities Exchange is one of the world’s leading providers of innovative and differentiated polyolefin solutions for the energy, infrastructure, mobility, advanced packaging, healthcare and agriculture industries. ADNOC owns a majority 54% stake and Borealis holds a 36% stake in Borouge. Headquartered in Abu Dhabi, United Arab Emirates (UAE) with locations across the world, Borouge is a UAE industrial champion that employs more than 3,100 people, serving customers in 50 countries across the Middle East, Asia, and Africa. Borouge’s growth journey has established it as one of the largest players in its markets, with more than a 10x increase in production capacity since 2001. In 2021, ADNOC and Borealis announced the final investment decision for the Borouge 4 expansion. Borouge 4 will have an industry-leading focus on sustainability leveraging the capabilities of both shareholders.


Braskem (Brazil)

Borealis Brasil S.A. is a joint venture of Borealis (80%) and the Brazilian company Braskem (20%). The joint venture, formed in 1999, has taken over OPP's compounding business and assets in Brazil, and serves all industries from polyolefins in South America through different legal entities in Brazil, Colombia, Chile and soon in Argentina.

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