NeoRez R-9621 Aliphatic polyester polyurethane Avecia-NeoResins PU - Polyurethane dispersions (PUDs) >> Polyester PU ADHESIVE >> Water-based Aliphatic polyester waterborne urethane for use in industrial laminating adhesives requiring a low VOC. It has excellent adhesion to vinyl, polyester, and low density polyethylene. Advantages Cosolvent Free Outstanding Vinyl Adhesion More Stable than NeoRez R-9437 Hot Water Immersion Resistance Aliphatic polyester waterborne urethane for use in industrial laminating adhesives requiring a low VOC. Has good adhesion to vinyl, polyester, and low density polyethylene. Hot water immersion resistance.