application Covestro Desmodur N3580 BA (XP 2679) ultra-fast drying PU curing agent HDI base Type aliphatic polyisocyanate (HDI Allophanate trimer) Form of Supply CombinationDesmoph... 11/20183Covestro Desmodur N3580 BA (XP 2679) ultra-fast drying PU curing agent HDI base