MDI, methylene diphenyl diisocyanate

...manufacturing of flexible polyurethane foams ...

MDI, methylene diphenyl diisocyanate, CAS: 101-68-8, is one of the most important chemical raw materials currently used in the polyurethane industry. MDI or MMDI are the most used abbreviation for this material which can be used as “pure” MDI, Modified MDI or Polymeric MDI (p-MDI). MDI is one of the main chemical ingredients used in the manufacture of flexible polyurethane foams for bedding, industrial goods, living goods (furniture cushions, carpet underlay), sports goods, SPANDEX, shoe sole, TPU elastomers, synthetic leather, paint and adhesive. MDI reacts with polyols in the production of different type of polyurethane.

Pure MDI
Pure MDI is generally used with polyethers, polyesters or other polyols to produce a range of different products and materials for coatings, elstomer, synthetic leather, paint and adhesive applications Pure MDI is also a raw material for the production of prepolymers.

Product:   PURE MDI, methylene diphenyl diisocyanate
Degree of Purity wt%  Min. 99.8
NCO Content wt%  33.6
APHA Color Min. 20.0
H.C wt%  Max. 0.002
C/H Hydrolyzable chloride wt% Max. 0.2


Tecnosintesi can provide several different grades of MDI: Pure MDI, Modified and Polymeric. To have a complete overlook of our MDI range, get in contact with us. We are one of the most competitive players in the market for MDI and our product quality is assured by one of the market leaders on this sector.   

For more detailed technical information, Technical Data Sheet, Commercial offer and Samples.    Send an e-mail to Tecnosintesi email contact

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