Retarder is an additive used to increase the open (drying) time of acrylic paints. Useful for wet in wet techniques and reducing skinning on the palette.
Retarder does not contain binding agents. To ensure adhesion, it is recommended that the addition of Retarder not exceed 15% (1:6) when mixed with colors or mediums.
For health and safety information, download the Safety Data Sheet [PDF].