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Grumbacher Artists' Acrylic Retarder - 5 oz, Tube
Extend the working time of your acrylic paints with Grumbacher Artists' Acrylic Retarder. This slow-drying additive may be mixed directly into acrylic colors or with other painting mediums in ratios of up to 30% to volume. For the longest drying time, use the maximum percentage of retarder to color ...
Products bearing the AP seal of the Art & Creative Materials Institute, Inc. (ACMI) are certified non-toxic. A product can be certified non-toxic only if it contains no materials in sufficient quantities to be toxic or injurious to humans, or to cause acute or chronic health problems.