Retarder
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Wallack's Acrylic Retarder Medium
Original price $13.95Current price $11.16This medium decreases the speed of drying time for acrylics. Do not add more than 25% retarder to acrylic paints.
This medium decreases the speed of drying time for acrylics. Do not add more than 25% retarder to acrylic paints.
