Natrosol 250 LR by Ashland Specialty Chemical is a non-ionic, water-soluble hydroxyethylcellulose surface-treated with glyoxal. Used as a high efficiency thickener, water retention aid and rheology modifier in all types of water-based paints and surface coatings. It can be used as a protective colloid, stabilizer and suspending agent. Offers very good pseudoplastic flow behavior and wide compatibility with other materials such as emulsion polymers, natural and synthetic gums, emulsifiers, defoamers, pigments, surfactants and preservatives. .