VINNAPAS 4121 N is a dispersible polymer powder for dry mix mortars, specifically suited for price-optimized ETICS. It is based on a semi-flexible copolymer of vinylacetate and ethylene and belongs to the product class VINNAPAS N which means that it has a neutral effect on rheology and provides very good adhesion on organic (polystyrene) and inorganic (concrete) substrates. Additionallly VINNAPAS 4121 N can be used for C1- and simple C2-tile adhesives.