An additive to extend the ‘open' or drying time of Jo Sonja Matte Flow Acrylics and Mediums.
It may be used as a painting medium and also for various techniques such as antiquing.
Easy clean up with soap and water.
Description
Retarder Medium is an additive to extend the ‘open' or drying time of Jo Sonja Matte Flow Acrylics or Mediums. It may be used as both a painting medium and for various techniques such as antiquing.