- Diphenylmethane – 4,4’- diisocyanate
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Diphenylmethane – 4,4’- diisocyanate
Polyfoam - MDI is a liquid, dark brown mixture of diphenylmethane – 4,4’- diisocyanate with isomers and homologues of higher functionality. It is used in conjunction with polyol to produce rigid polyurethane foams.