ASAHIKASEI › DURANATE™ 24A 100 DURANATE™ 24A 100 $0.00 DURANATE™ 24A 100 is a low viscosity, biuret type hexamethylene diisocyanate (HDI) with high NCO content. Acts as a curing agent for urethanes. Quantity: Add To Cart Added! DURANATE™ 24A 100 is a low viscosity, biuret type hexamethylene diisocyanate (HDI) with high NCO content. Acts as a curing agent for urethanes. You Might Also Like DURANATE™ 22A 100 DURANATE™ TPA 100 DURANATE™ TKA 90SB DURANATE™ TUL 100 DURANATE™ E402 100