Fresco Finish Paint Drying Extender
Retarder is a very effective way to slow down the drying time of a chalky paint. Just a drop is all you need (certainly do not use more than 5%) and mix well into your paint to extend the open working time. Retarder is very handy if you are in warm environment, or when playing with gelli plates.
Easy clean up in warm water. Low or no VOC's. Eco Friendly.