>White water based ecological low odor and low VOC acrylic primer for interior and exterior use. Suitable for priming and stain blocking on walls and ceilings. Ideal for renovation where SMALTOX hydro blocks stains from nicotine, smoke, urban pollution, markers, mould, old dampness etc. Due to this effect there is a need for less topcoat for painting. Also suitable for priming lime, gypsum, gypsum board, concrete, renders. Excellent adhesion, very good hiding. Quick drying and recoat able with emulsion paints. Minimized content of hazardous substances. Reduced volatile organic compounds (VOCs).