GOLDEN OPEN Slow-Drying Acrylics, Acrylic Medium (Matte), 8 fl oz.
It can also be used to lower the viscosity and slow the drying of Heavy Body colors for detail painting using fine brushes.
OPEN Slow-Drying Acrylics Acrylic Medium (matte) 8 Fl Oz.
Because OPEN Acrylics dry slowly, covered palettes or paint kept in sealed containers stay wet and are usable for weeks, greatly reducing the amount of paint wasted and preserving color mixtures for future use.