Stepanpol PS-2402 Aromatic polyester polyol 32472-85-8 Stepan PU - Polyols >> Polyester SEALANT >> Foam These polyester polyols are the primary raw material components used to formulate a variety of polyurethanes. Based on unique ortho-ester linkages, they have proven their ability to enhance performance and reduce your formulation costs. Tests have shown that they: Improve hydrolytic stability Improve select physical properties Promote adhesion to metal substrates STEPANPOL PS-2402 is an aromatic polyester polyol of exceptional purity and low viscosity. Rigid isocyanurate boardstock; extender for polyurethane foams, including low-density pour and spray, high-density, and packaging. Low hydroxyl number for economical isocyanate usage. Aromatic polyester polyol. Used as an extender for polyurethane foams. Possesses very high purity and low viscosity. Improves hydrolytic stability and select physical properties. Possesses low hydroxyl number. Promotes adhesion to metal substrates.