hf-1568 aliphatic polyisocyanate (hdi trimer) used for automotive oem paints, automotive refinishing, transportation, industrial products, and plastics. model hf-1568 type aliphatic polyisocyanate (hdi trimer) application used as a curing agent component in light-resistant polyurethane coatings. used in automotive original paint, automotive refinishing, transportation, industrial products and plastic finishing. main characteristics -excellent chemical and weathering resistance;...