This company introduces two solvent- and VOC-free rheology modifiers based on polyurethane technology. TAFIGEL® PUR 41 is a highly efficient PU thickener with a pseudoplastic rheology profile. It is a clear, transparent product that is recommended in clear coats. In tinting systems it shows a high compatibility with pigment pastes. TAFIGEL PUR 61 is an associative PU thickener with a strong pseudoplastic rheology profile. It is highly recommended for spray-applied systems.