SILICA FLOUR Silica Flour is a pure sand that is ground to a very fine particle size (wear dust protection always). When it is mixed with a plaster, such as Hydrocal, for mold making it adds strength and stability. We offer 5 pound boxes.
15500 NE Kincaid Rd.
Newberg, OR 97132 Tel 503-538-5281 · Fax 503-538-6527
SILICA FLOUR