Stepanpol® PHN-56

Stepanpol® PHN-56 by Stepan Company is 1, 6-hexanediol-neopentyl glycol-ortho phthalic anhydride based polyester polyol. This aromatic prepolymer grade exhibits excellent hydrolysis resistance, very good thermal stability and primary hydroxyl advantage. It provides extended open time and good green strength in reactive hot melt adhesives. Stepanpol® PHN-56 has a very good dispersion characteristic in polyurethane dispersion applications. It has shelf life of 24 months in unopened containers.