American Journey Acrylic Gloss Medium - 32 oz.American Journey Acrylic Mediums are high quality mediums that add more body to your acrylics and enables impasto techniques, extends color volume or adds transparency. These acrylic mediums hold peaks and textures while offering incredible dimension to your artwork. Non Hazardous. Conforms to ASTM D4236. Gloss Medium Mix Gloss Medium with acrylic colors to extend paint, alter sheen and increase flow. Permanent, clear, flexible and UV resistant when