The TDI complex comprises plant components that produce DNT (dinitrotoluene), TDA (toluylendiamine) and TDI (toluene diisocyanate). Furthermore, the project involved the updating and expansion of production facilities for key precursors in the Verbund. In addition, BASF made investments in the infrastructure that supplies steam, electricity and water.

TDI is a core component for polyurethanes. It is often used in the furniture industry (elastic foams for mattresses, cushions or wood coating) and the automotive industry (seat cushions). BASF operates TDI plants in Yeosu, South Korea; Caojing, China; and Geismar, Louisiana, which have a combined capacity of 480,000 metric tons. The plant in Schwarzheide, Germany, will gradually be taken out of operation once the plant in Ludwigshafen starts up.
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