Custer Feldspar is a spar used extensively in both clay and glaze formulas. It can function as a flux or as a refractory depending upon formula and firing temperature.
Comes in 50-pound bags. The price listed is the maximum per pound cost. We reserve the right to change pricing without notice due to the current market conditions. See table below for full-bag and quantity discounts.
The discounts must be manually entered when your order is processed; we will make the necessary adjustments and notify you before billing.
Please select/type in the number of pounds you would like to order.