This techno-economic report reviews the chemistry, properties, technology, and development trends of styrene butadiene rubber (SBR) and polybutadiene rubber (BR). The report provides SBR economics for solution and emulsion technologies as well as economics for BR using neodymium and nickel catalysts in several different global locations (USGC, Western Europe, and China) under a consistent second quarter 2021 price scenario. An analysis of the ROI and investment attractiveness and historical cash costs are also provided. The report also offers and overview of SBR and BR consumption, capacity, and trade for global and major regional markets.