WHITING CALCIUM CARBONATE (CACO) is the major high-fire flux. It benefits bodies where a limited amount will lower vitrification temperature and reduce porosity. It gives durable hardness to a glaze. Minimum order quantity is 10 lbs.
WARNING: This product can expose you to chemicals including Silica, crystalline (airborne particles of respirable size), which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.