Atelier : Acrylic Medium : 250ml : Retarder Medium

A Paint Additive Designed To Slow Down The Drying Time Of Acrylic Paint. It May Be Added To Other Atelier Mediums To Increase Open Time. Note: Retarder Does Not Contain A Binding Agent So To Avoid Creating An Unstable Mixture, It Is Recommended To Mix No More Than 10% With Acrylic Paints.