my country is a major exporter of aggregated mdi, and local companies have a competitive advantage in the global market.
diphenylmethane diisocyanate, referred to as mdi, is made from isocyanate and polyol as raw materials. as a synthetic material, it is widely used in construction engineering, textiles, plastics and other fields. it can usually be divided into polymerized mdi, modified mdi and pure there are three types of mdi. polymer mdi refers to a mixture…
