Free Form Sculp is a sculptable, clay-like putty suitable for sculpting fine detail using tools or shaping by handThis is a low-odor, low shrink epoxy that is inexpensive, easy to use for a variety of art related and industrial applications.Maximum Usability - Just Add Water; you can change the consistency and workability of Free Form Sculpt by adding water when mixing A+B components.& Putty surface can be smoothed with water while sculpting. Parts A & B are mixed in equal amounts by hand. Working time is a long 2.5 hours and Free Form® Sculpt cures overnight to a hard, rigid epoxy that is very strong and waterproof. Cured putty is easily painted with acrylic paints. Free Form; Sculpt does not contain crystalline silica (which is a known carcinogen). It can be safely sanded, shaped, and painted. Used as a repair adhesive, Free Form® Sculpt will bond to itself and a variety of surfaces including wood, metal, glass, stone, and concrete. Free Form® Scuplt will even cure under water.