Desmodur® ultra E 21500 is a polyether-based aromatic polyisocyanate prepolymer based on diphenylmethane diisocyanate (MDI) with reduced residual monomer content.
Desmodur® ultra E 21500 may be used:
(A) As a binder for the formulation of moisture-curing, one-component polyurethane adhesives
(B) As a hardener for hydroxyl-bearing co-reactants for two-component polyurethane adhesives