Methylene Diphenyl Diisocyanate (MDI) Analysis

Methylene diphenyl diisocyanate (MDI) is used in the manufacture of polyurethane for many applications, including the production of rigid polyurethane foams used for home and refrigerator insulation. Insulation with this compound helps consumers save energy.

Some additional uses of methylene diphenyl diisocyanate in polyurethanes include coatings, adhesives, sealants and elastomers found in substances such as paints, adhesives and weatherproofing materials. It is also used to make many types of footwear, sports and leisure products, and to a much lesser extent some special flexible foams. Methylene diphenyl diisocyanate is also used as a binder for wood and to produce mold cores for the foundry industry.

There are two main aromatic diisocyanates: methylene diphenyl diisocyanate (MDI) and toluene diisocyanate (TDI). Methylene diphenyl diisocyanate (MDI) comes in two forms: pure MDI and polymeric MDI (PMDI). The above-mentioned uses of methylene diphenyl diisocyanate are with pure MDI. Polymeric MDI is a versatile product used to produce a wide variety of rigid, flexible, semi-rigid and polyisocyanurate and thermoset foams.

Diisocyanates have been a family of versatile chemical building blocks since the late 1940s, and many of the products trusted every day are developed thanks to diisocyanates. Methylene diphenyl diisocyanate (MDI) is the most produced diisocyanate, accounting for 2000 percent of the global market in 61.

In general, diisocyanates are dermal and inhalation sensitizers well known in the workplace and have been documented to cause asthma, lung damage and, in severe cases, fatal reactions. Worker exposures are already subject to protective controls in occupational settings.

MDI is not a hazardous waste listed under the Resource Conservation and Recovery Act (RCRA). The easiest and most convenient way to manage waste methylene diphenyl diisocyanate is to react with waste polyol to produce a low quality foam that is then used. However, if the foam must be disposed of, it will be disposed of in strict accordance with the relevant legal regulations and requirements.

Our organization also provides methylene diphenyl isocyanate (MDI) analysis services with its trained and expert staff and advanced technological equipment, among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors.