Polymer designed for exterior self-priming paints requiring excellent resistance to dirt collection. Through the application of innovative chemistry from The Dow Chemical Company, exterior facades coated with paints based on PRIMAL RHA-884 Acrylic Emulsion offer resistance to the collection of dirt and grime for a long lasting, freshly painted look. Developed for exterior self priming gloss, semi-gloss or low sheen paints and can be applied directly over most surfaces. Excellent tannin block properties, offering excellent performance over new timber, as well as previously painted surfaces. Robust, 100% acrylic polymer with excellent mechanical stability with good colour acceptance. It facilitates the formulation of a wide range of products. Compatible with a broad selection of other paint ingredients, offering the paint formulator with a wide range of raw material choice and flexibility.