Stamperia Mix Media Art Crackle Paste. White crackle paste mono-component. Water-based. It can be colored with acrylic paint. Spread with a spatula.Crackle paste can be applied on different surfaces: furniture, canvases, glass, MDF or cardboard. You can also control the final effect by applying the paste in thin layer to produce smaller egg-shell type crazing or apply thicker to produce medium or big cracks. Once dry, it can be coloured with water based acrylic products.