hdi closed asahikasei tpa-b80x   type:  blocked aliphatic polyisocyanate based on hexamethylene diisocyanate features: # good curability #excellent weatherability # good storage stability   applications： # one-component applications # top coat for automotive oem # primer for automotive oem # coatings for anticorrosive plate   typical properties： appearance colorless to slightly yellowish clear liquid non-volatile 80 wt%...