Do you need to paint plastic or other hard surfaces? Then Angelus 2-Hard is the perfect item for you! When mixed with Angelus Acrylic Paints, this product will allow the paint to adhere to non-porous surfaces such as plastic or glass. Angelus 2-Hard promotes adhesion and film hardness. Jut Mix with Angelus Acrylic Paints: 50% 2-Hard for flexible surfaces, 75% 2-Hard for rigid surfaces. Apply multiple thin coats until you obtain full and even coverage and Allow to dry for 48 hours.