- Functions:Hardener
- Chemical Family:Aliphatics, Isocyanates
- Features:Low Temperature-Curing, Chemical Resistance
Alcure® 4431 is a high performance, polymeric aliphatic isocyanate hardener based on H12MDI and blocked with E-caprolactam. It is specially designed to yield coatings with significantly better overbake and UV yellowing resistance. When properly formulated in coating powders, this product will yield a coating with excellent flow and chemical resistance and good overall physical properties.