AMSTERDAM ACRYLIC RETARDER 070 Purpose: Delaying the drying of acrylic paint. Composition: Slowly evaporating polyhydric alcohol Qualities: • Increases the drying time of acrylic paint by a maximum of 20% • Evaporates completely from the acrylic paint • Use sparingly, the thinned paint may not contain more than 5% Amsterdam acrylic retarder • Can be thinned with water