Many blending techniques require "wet time" so colors can blend on the painting surface. Acrylics tend to set up quickly. Adding a gel retarder maintains the consistancy of the paint and slows down the drying time.
Slows down the drying time of acrylic color.
Gel Retarder is added directly to the paint and thoroughly mixed on the palette.
Increasing proportions of retarder to color will increase transparency.
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