Wanhua WANNATE® MDI-50 is a polymeric methylene diphenyl diisocyanate (PMDI) widely used in the production of rigid polyurethane foams. It offers excellent reactivity and flowability, making it ideal for applications such as insulation panels, refrigerators, construction boards, and pipe insulation. Its superior insulation properties help reduce energy consumption in buildings and appliances. MDI-50 is also used in spray foam for roofing and wall insulation, and as a binder in composite wood products like oriented strand boards (OSB). Its versatility, processing ease, and performance make it a preferred choice in thermal insulation and industrial materials.

Wanhua Chemical WANNATE® PM-8236 is a polymeric MDI used in rigid polyurethane foam production. It offers excellent reactivity, dimensional stability, and insulation performance. Ideal for refrigerator panels, construction boards, spray foam, and sandwich panels, it enhances mechanical strength, adhesion, and thermal efficiency in industrial and building applications.