An APEO-free*, solvent-free*, hydrophobically modified ethylene oxide urethane (HEUR) rheology modifier that utilizes ACID SUPPRESSION™ technology. This product is a mid-shear (KU) viscosity rheology modifier offers improved performance in viscosity stability upon tinting and excellent sag resistance.while maintaining the properties that HEUR technology is known for, e.g. excellent flow, gloss development and applicability both interior and exterior latex coatings. It is provided as a low-viscosity material for ease of use in the manufacturing process.