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Polymeric & Monomeric Isocyanates (MDI)

Isocyanates provide the nexessary NCO content in the reaction matrix to produce polyurethane foams.

Isocyanates

Polymeric MDI

Polymeric MDI - Shakun Industries

Polymeric Isocyanates

Polymeric MDI is polymethylene polyphenylisocyanate, and is derived from the classic chemical reaction of carbonyl-chloride with aniline-formaldehyde condensate. The product has a narrow molecular weight distribution and a high reactivity. Applicable to many foam processes, this product is compatible with rigid polyether and polyester polyols, making it suitable for a full range of low- to high-density semi-rigid foams, rigid foams and structural RIM processing.

Available Grades

  • DESMODUR® 44V20L is a dark-brown, liquid blend of diphenylmethane-4,4'-diisocyanate (MDI) with isomer and homologues of higher functionality. It is used in conjunction with polyols to produce rigid polyurethanes foam.
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  • PAPI™ 27 Polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product has a narrow molecular weight distribution and a high reactivity. Applicable to many foam processes, this product is compatible with rigid polyether and polyester polyols, making it suitable for a full range of low- to high-density semi-rigid foams, rigid foams and structural RIM processing.
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  • MILLIONATE® MR200 is a dark-brown, liquid blend of diphenylmethane-4,4'-diisocyanate (MDI) with isomer and homologues of higher functionality. It is used in conjunction with polyols to produce rigid, semi-rigid, and integral skin foams. It can also be used to manufacture polyurethane binders, coatings, adhesives, and elastomers.
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  • SUPRASEC® 5025 is a dark-brown, liquid blend of diphenylmethane-4,4'-diisocyanate (MDI) with isomer and homologues of standard functionality. It is designed for use in one and two component systems.
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  • SUPRASEC® 5025 is a dark-brown, liquid blend of diphenylmethane-4,4'-diisocyanate (MDI) with isomer and homologues of standard functionality. It is designed for use in one and two component systems.
    Download TDS   Download MSDS

  • Lupranat® M20S is a solvent-free product based on 4,4'-diphenylmethane diisocyanate (MDI) containing oligomers of high functionality and isomers. The average functionality is 2.7. Lupranat® M 20 S is principally used for the manufacture of insulating foams and higher density rigid foams.
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  • WANNATE® PM-2010 is a mixture of high functionality isocyanate with diphenylmethane diisocyanate. The product has a functionality of 2.6-2.7. It is a brown liquid at room temperature. WANNATE® PM-2010 is widely used in the production of rigid PU foam.
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