Retarder Medium is an additive to extend the ‘open’ or drying time of Chroma’s Jo Sonja Artists’ Colors or Mediums.  It may be used as both a painting medium and for various techniques such as antiquing.

Brand:

Medium Type:

Milliliter:

Ounce:

Varnish / Fixative Application:

Series:

Varnish / Fixative Type:

Product Type: