Stepanpol® PD-56

Stepanpol® PD-56 by Stepan Company is diethylene glycol-phthalic anhydride-based polyester polyol. It exhibits hydrolysis resistance, very good thermal stability and primary hydroxyl advantage. It may promote adhesion to a variety of metal and plastic substrates. In reactive hot melt adhesives, it provides short open time and good green strength. Stepanpol® PD-56 is recommended for use in adhesives and sealants. It has a shelf life of 24 months.