What Are Acrylic Paint Retarders?
What is an Acrylic Paint Retarder? A Retarder is a substance containing glycerin that is used to slow down the drying time of acrylic paints. Depending on the retarder-to-paint ratio the retardant can last anywhere from half an hour to a full day. These are used with acrylic paints as acrylics are water-based and when …