VINNAPAS® 4040 E is a dispersible polymer powder for dry mix mortars, specifically suited for waterproofing membranes. It is based on a flexible copolymer of vinyl acetate and ethylene. VINNAPAS® 4040 E belongs to the product class VINNAPAS® E which means that it provides enhanced properties like improved workability and superior mechanical properties (e.g. crack-bridging or tensile-adhesion strength), particularly in formulations with high polymer content and/or low cement content.