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Chroma
Chroma Atelier Retarder is an additive to slow down the drying time of acrylic paints. Mix no more than 10% with acrylic paints to extend the working time or if painting in very dry conditions.
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 when used as intended. See [Health and Safety ](https://www.dickblick.com/learning-resources/product-info/health-safety/ "Learning-resources/product-info/health-safety")for further information.
® Atelier is registered trademark.