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MDI Polyurethane
MDI Polyurethane Prices | Historical and Current
MDI Polyurethane
PU MDI
PU MDI
C8H6NO(C8H5NO)nC7H4NO

About MDI Polyurethane. Polymethylene Diphenyl Diisocyanate (a.k.a. PU MDI) is the polymeric form of MDI (Methylene Diphenyl Diisocyanate, a. k. a. Diphenylmethane Diisocyanate) and one of the leading polyurethanes manufactured worldwide. As analogous polymers, PMDI has a wide variety of properties, ranging from a fawn to brown undistilled liquid to rigid foams. The physical and mechanical properties of the polymer depend mainly on its density, molecular weight, and weight distribution, delivering an extensive set of applications, such as thermal insulation and resin curing agent.

The production of MDI begins with the reaction between aniline and formaldehyde to form methylenedianiline (MDA), which is then combined with phosgene. The result is a mixture of monomeric and polymeric MDI, called PMDI. From this mixture, the monomeric forms, 2,4' and 4,4'-MDI, can be obtained in a fraction called MMDI. Additionally, it is common to produce carbodiimide-modified isocyanates from MMDI.

All the aforementioned MDIs are mainly used to produce polyurethanes through reaction with a polyol, resulting in polymers with different characteristics and applications.

MDI Polyurethane Handling. It is stored as a viscous liquid in sealed drums, intermediate bulk containers (tote tanks), and/or bulk storage tanks. It is necessary to keep PMDI at room temperature and atmospheric pressure.

MDI Polyurethane Production. Raw materials and the respective production processes employed in the manufacturing of MDI Polyurethane are listed below.

  • 4,4'-diaminodiphenylmethane, polymeric + phosgene
  • (phosgenation/fractionation; coproduced with 4,4'-diphenylmethane diisocyanate)

MDI Polyurethane Uses. The uses and applications of Polymethylene Diphenyl Diisocyanate may vary according to its specification. The main forms of Polymethylene Diphenyl Diisocyanate are PMDI typically contains 30–70 % dimer components, 14–40 % trimer components, and 15–30 % polymer components.

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Data Type: chem-pricing
Prices

MDI Polyurethane Prices | Historical and Current

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Monitor monthly MDI Polyurethane price assessments covering 4 locations: United States, Europe, China and Middle East. Also check PU MDI price history since 2007.

The chart below is a sample of Intratec Primary Commodity Prices. Subscribe and access now current prices of 225 commodities, including PU MDI.

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Data Legend. The chart above shows PU MDI price assessments in USA Dollar per metric ton (USD/mt) in 4 locations, as follows:

  • PU MDI, US (United States): PU MDI, import transaction price, cif, United States
  • PU MDI, EUR (Europe): PU MDI, export transaction price, fob, Germany
  • PU MDI, CN (China): PU MDI, export transaction price, fob, China
  • PU MDI, MDE (Middle East): PU MDI, import transaction price, cif, Turkey

Data Use. PU MDI prices are provided as an annual subscription where subscribers have access to reliable pricing data of 225 commodities worldwide. To better understand data provided by Intratec Primary Commodity Prices, check the following documents: Price Assessment Basis , Commodities Specifications , Methodology , User Guide , and Glossary .

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MDI Polyurethane Price Outlook. The price of PU MDI (United States) decreased during April 2019 to 1,540 USD per metric ton, which represents a decline of 6% compared to the previous month’s value. On a year-over-year basis, the prices of PU MDI (United States) decreased significantly by 13%. Meanwhile, the average price of PU MDI (China) amounted to 1,320 USD per metric ton, from 2,240 USD per metric ton one year earlier. On a month-over-month basis, the price of PU MDI (China) is 9% lower than the price one month before.

The price of PU MDI (Middle East) declined slightly throughout April 2019, reaching 1,620 USD per metric ton.  The price is 2% lower than the average price in the previous month and 42% lower than the average price one year before. In contrast, the prices of PU MDI (Europe) increased modestly during April 2019, reaching 1,470 USD per metric ton, which means a rise of 1% from the previous month’s price and a decline of 40% from the previous year’s price. 

About MDI Polyurethane. Polymethylene Diphenyl Diisocyanate (a.k.a. PU MDI) is the polymeric form of MDI (Methylene Diphenyl Diisocyanate, a. k. a. Diphenylmethane Diisocyanate) and one of the leading polyurethanes manufactured worldwide. As analogous polymers, PMDI has a wide variety of properties, ranging from a fawn to brown undistilled liquid to rigid foams. The physical and mechanical properties of the polymer depend mainly on its density, molecular weight, and weight distribution, delivering an extensive set of applications, such as thermal insulation and resin curing agent.

The production of MDI begins with the reaction between aniline and formaldehyde to form methylenedianiline (MDA), which is then combined with phosgene. The result is a mixture of monomeric and polymeric MDI, called PMDI. From this mixture, the monomeric forms, 2,4' and 4,4'-MDI, can be obtained in a fraction called MMDI. Additionally, it is common to produce carbodiimide-modified isocyanates from MMDI.

All the aforementioned MDIs are mainly used to produce polyurethanes through reaction with a polyol, resulting in polymers with different characteristics and applications.

MDI Polyurethane Handling. It is stored as a viscous liquid in sealed drums, intermediate bulk containers (tote tanks), and/or bulk storage tanks. It is necessary to keep PMDI at room temperature and atmospheric pressure.

MDI Polyurethane Production. Raw materials and the respective production processes employed in the manufacturing of MDI Polyurethane are listed below.

  • 4,4'-diaminodiphenylmethane, polymeric + phosgene
  • (phosgenation/fractionation; coproduced with 4,4'-diphenylmethane diisocyanate)

MDI Polyurethane Uses. The uses and applications of Polymethylene Diphenyl Diisocyanate may vary according to its specification. The main forms of Polymethylene Diphenyl Diisocyanate are PMDI typically contains 30–70 % dimer components, 14–40 % trimer components, and 15–30 % polymer components.

Intratec Methodology. Intratec Primary Commodity Prices are produced from a data-driven, mathematical approach, which starts with the extraction of data from various primary sources, including official trade records, statistics bureaus, governmental and international agencies. Such large volume of data is validated through advanced data processing techniques, and treated by means of statistical analysis for outliers removal. When faced with input gaps, data scientists and engineers employ mathematical models or machine learning techniques to estimate prices and ensure the completeness of the price assessments presented. (learn more ).

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