The Universal GAC 100 Acrylic Polymer from Golden is a particularly useful polymer for protecting against support induced discoloration and has great flexibility with a decent level of tack and gloss. Additionally it is great at diluting and extending your colours including improving flexibility and film integrity. It wets out solids more easily compared to other polymer and is ideal for artists formulating their own paints to use. - Brand: Golden - Size: 473ml - Protects against support induced discoloration - Increasing flexibility and film integrity - GAC 100 Acrylic Polymer