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Mondur is a family of aromatic isocyanates used in the production of a wide range of flexible, elastomeric and solid polyurethanes, as well as in adhesive and sealant formulations. Mondur products are based on MDI, TDI and MDI/TDI blends. It is available in monomeric and polyisocyanate chemistries.

Click the literature icon link next to any Mondur grade in the listing below to find product indexes for Bayer's aromatic isocyanates. Tables in the indexes let you compare Mondur products by their chemistry and typical properties at a glance. (registration required)

Bayer can produce special blends of its MDI and TDI products to meet customer needs. Bayer also can produce special blends of its MDI/TDI blend products (Mondur TD-80 and Mondur MR). Use the Contact form on this Web Site to contact our Isocyanate Product Management Group.

19 Product Grade(s):

= data sheet(s)

= other literature

MONDUR 582

polymeric diphenylmethane diisocyanate (pMDI); NCO weight 32.0%; viscosity 70 mPa·s @ 25°C; equivalent weight 131; functionality 2.5

MONDUR 1437

modified diphenylmethane diisocyanate (mMDI); isocyanate-terminated polyether prepolymer; NCO weight 10.0%; viscosity 2,500 mPa·s @ 25°C; equivalent weight 420; functionality 2

MONDUR CD

modified monomeric 4,4-diphenylmethane diisocyanate (mMDI); NCO weight 29.5%; viscosity 50 mPa·s @ 25°C; equivalent weight 143; functionality 2.2

MONDUR M (FLAKED)

aromatic monomeric diphenylmethane 4,4’-diisocyanate (mMDI); supplied in solid flaked form; MDI dimer weight 0.7% maximum; assay weight 99.5% minimum; acidity (as HC1) 15.0% ppm maximum

MONDUR MA 2300

modified monomeric MDI, allophanate-modified 4,4'-diphenylmethane diisocyanate (mMDI); NCO weight 23.0%; viscosity 450 mPa·s @ 25°C; equivalent weight 183; functionality 2.0

MONDUR MA 2601

aromatic diisocyanate blend, allophanate-modified 4,4'-diphenylmethane diisocyanate (MDI) blended with polymeric diphenylmethane diisocyanate (pMDI) containing 2,4'-isomer; NCO weight 29.0%; viscosity 60 mPa·s @ 25°C; equivalent weight 145; functionality 2.2

MONDUR MA 2904

MONDUR MR

polymeric diphenylmethane diisocyanate (pMDI); NCO weight 31.5%; viscosity 200 mPa·s @ 25°C; equivalent weight 133; functionality 2.8

MONDUR MR LIGHT

polymeric diphenylmethane diisocyanate (pMDI); NCO weight 31.5%; viscosity 200 mPa·s @ 25°C; equivalent weight 133; functionality 2.8

MONDUR MRS

2,4' rich polymeric diphenylmethane diisocyanate (pMDI); NCO weight 31.5%; viscosity 200 mPa·s @ 25°C; equivalent weight 133; functionality 2.6


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