Monolith Materials
An American company producing carbon black and co-products hydrogen and steam using patented thermal plasma technology.
Last updated September 2, 2026
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Overview
Monolith is an American company headquartered in Nebraska, focused on producing carbon black and co-products hydrogen and steam. It was founded in 2012 and built the first new carbon black plant in the U.S. in over 50 years. The company uses a patented thermal plasma hydrocarbon pyrolysis process at commercial scale.
History
Monolith was founded in 2012. From 2013 to 2015, its Seaport demonstration project in Redwood City, CA was built, making it the first new carbon black plant built in the U.S. in 50 years. From 2016 to 2018, Monolith concluded its pilot program and broke ground on its first commercial facility, Olive Creek 1 (OC1) in Hallam, Nebraska. From 2019 to 2020, OC1 reached mechanical completion and began commissioning. From 2021 to 2025, its carbon black reached a major milestone with its carbon black making into millions of tires across North America and under the hood in plastic brackets and bumper fascia of American vehicles. In 2026 and beyond, Monolith plans to grow at its Nebraska site with a planned advanced manufacturing campus.
Products and positioning
Carbon black
A critical raw material essential to countless industries, used in tires, plastics, and more.
Hydrogen
A co-product utilized for energy production.
Steam
A co-product utilized for energy production.
Recent events
SK and Monolith sign MOU to establish South Korean joint venture[5]
Reported:
SK and Monolith Materials signed an MOU to establish a South Korean joint venture producing green hydrogen and carbon black. Monolith will provide technology and training, while SK will oversee production, sales and distribution.
Sources5 sources
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