Make cracked surfaces for acrylic painting applications with Tri-Art Crackle ground. Just pour and spread to achieve hairline or thick cracks. Crackle Ground is easy to apply and manipulate by tilting or by spreading with a palette knife to acheive an even application. The direction and thickness application will effect the pattern of the crack formations (brush application not recommended). Surfaces: Primed surfaces for acrylic applications with a slight tooth or matte finish will result in the best adhesion. Suitable for application onto painted areas within an artwork. Application: Surfaces should to be flat and level, ground should be applied with a palette knife to ensure even application. Thin applications will result in finer cracks and thicker applications will develop wider cracks. Rigid surfaces are recommended for thicker applications to avoid sagging. If applying to concave or convex shape, dipping is recommended. Drying time: Thin applications will be cracked and touch dry in 3-4 hours. For thicker applications, 12-24 hours drying time is recommended depending on humidity and climatic conditions. Mixing with acrylic colour: May be tinted 5-10% with colour prior to applying. The ratio depends on the the pigment load and acrylic binder of the paint colour added, the higher the ratio, the more diminished the crackle effects. (Artist and Professional grade paints will have a higher pigment load and acrylic binder). Finishing: If applied thick, your piece may require extra support with a protective finishing medium. Thinner applications will not require additional adhesion support. Crackle Medium dries white with a slight tooth making additional layers easy to apply and adhere to it surface. Adding colour may alter the finished sheen. Surfaces may be enhanced once dry with paint or other media and techniques such as glazing, washes, dry brush, marker, pastel, graphite etc. Always test your methods and materials prior to applying to a final piece of artwork to ensure desired effects.
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