Designed for use with small to larger molds, Powercast is a gypsum-bonded investment mold material that can be used for casting small sculptures, award trophies, large class rings, and decorative hardware in aluminum, brass, and bronze. Fiber reinforced for higher mold strength, the investment powder includes proprietary control additives to eliminate surface defects and provide a highly uniform casting surface. Contact: Certus Investment Powder Technologies Co. Ltd., Murapasa Mah. Siteler Cad. No. 14/B Bayrampasa, Istanbul, Turkey; 90-533-638-3713; e-mail email@example.com; certus-int.com.