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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 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
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Covestro DESMODUR® 44V20L
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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Dow PAPI™ 27
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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Tosoh MILLIONATE® MR200
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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BASF LUPRANAT® M20S
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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Wanhua WANNATE® PM2010
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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