Chapter --Amino-resins, phenolic resins and polyurethanes, in primary forms (3909)
Result ------ Polyurethane of 2,2?-(tert-butylimino)diethanol and 4,4?-methylenedicyclohexyl diisocyanate, in the form of a solution in N,N-dimethylacetamide, containing by weight 50?% or more of polymer (39095010)