>99% quartz sand. A coarse, rounded-grain refractory used on kiln shelves to ease shrinkage movement of large pieces or, in limited amounts, as a grog in sculpture clay bodies.
Grain size: 1% retained on 30 mesh; 52% on 40m; 41% on 50m; 5% on 70m; 1% on 100m.
For more information on silica sand, see the Digitalfire.com Reference Library of ceramic materials.
Different Raw Materials ordered in full bag qty (20 kg to 100 lb) will be combined at checkout for a volume discount if applicable.