Johnstone’s Trade Acrylic Satin is a low VOC content satin finish. A washable product which is thinned with water and is applied by brush. – Suitable for interior and exterior use. – Touch dry in 1-2 hours and recoatable after 4-6 hours. Water based satin is a tough, durable mid sheen finish for wood and metal, which is non-yellowing and provides good resistance to knocking and scuffing.Can be applied over most previously painted surfaces without an undercoat. On new surfaces apply over the top of a suitable prime