Sandtastik Plaster of Paris, Arctic White, 5 lb (2.3 kg)

A specially formulated art supply grade plaster, Plastermix is activated by using 2 parts casting material to 1 part cold water. Great for general purpose arts and crafts, casting with plastic molds or in sand. Recommended hardening, setting or drying times varies by thickness of your poured casting and water temperature (cold = longer, warm = shorter). As a general guideline, please follow these time allowances: for smaller moldings less than 1" thick, allow 20-30 minutes; for larger moldings more than 1" thick, allow 45-60 minutes. Great for art classes, parties, classroom projects, day and summer camps and for home use.