Description
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. Neither Retarder nor OPEN thinner contain binding agents. To ensure adhesion, it is recommended that the addition of Retarder not exceed 15% (1:6), and OPEN Thinner should not exceed 25% (1:3) when mixed with colors or mediums.