Use for making metal casting molds for a variety of metals ranging from Pewter to Cast Iron
Easy to (re)use, simply add water to maintain moisture
Contains Premium 120 Mesh Olivine (Magnesium Iron Silciate) Raw Sand and Bentonite Blend
Professionally Formulated, Pre-Mulled, and Quality Inspected (100% ready to use)
More stable, better finish, safer, and longer life than competing silica sands