Pure Redart fires to a flower pot red at cone 06 and to progressively deeper and richer shades up to cone 2 after which the risk of bloating arises. Adding ball clay improves workability and extends the firing range. Many PSH clays contain it in varying amounts to create a wide range of earth tones.
For more information on Redart, 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.