Development of global polyurethane basic raw materials

PolyurethaneRaw materials commonly used in industry and used in large quantitiesMainThere are toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), PAPI (the raw material industry often refers to MDI and PAPI (collectively referred to as MDI) and polyether polyols. MDI and TDI are key raw materials for PU products. 1. GlobalTDI’s production situation ： TDI is one…