Ethyl Paraloid B72 Methacrylate Copolymer. A durable and non-yellowing acrylic polymer, used for consolidating wall-paintings (1-5%) fragile wood etc. (5-20%). Used as a fixative when diluted with a solvent to secure markings on artifacts and as an adhesive (50% +) for a variety of substrates. Soluble in acetone, toluene and and isopropanol.