Orchi Gel THIX 921 is a liquid polyurethane-based thickener that is free of alkylphenol ethoxylate (APEO), and tin compounds. The product mostly produces depending on the type of binder used and the other components of the system a pronounced shear-thinning flow behavior. Borchi Gel THIX 921 is well suited as thickening agent for all waterborne painting systems, especially for industrial and decorative coatings, adhesives and knifing fillers.