Makes plastering easier by forming a key to smooth surfaces such as mortar, cement, cretestone, brick, stone, asbestos, enamel and acrylic paints, wood and metal. Also prepares powdery surfaces for painting. Excellent adhesion. Versatile and easy to use. Alkali resistant. Non-toxic. A water-based plaster bonding liquid that makes plastering easier by bonding plaster to smooth surfaces, and prepares powdery surfaces for painting.