HDI trimer  AsahiKasei  TKA-90SB   ABOUT: Product Class: Isocyanate DURANATE TKA-90SB by Asahi Kasei is a hexamethylene diisocyanate (HDI) trimer compatible with urethanes. Acts as a curing agent. Exhibits excellent weatherability, good chemical & abrasion resistance, good compatibility and drying properties. Offers excellent color retention and outstanding performance. Suitable for coatings for automotive, architectural, industrial, consumer electronic and...