Charcoal | Speedball Underglaze

Manufacturer's Notes Offering artists spectacular results that fire true consistently, Speedball's Underglazes are unmatched in vibrancy and value. Originally formulated to perform in wide firing range, 05-6, Speedball's Underglazes have been successfully fired at Cone 10. Suitable for use on greenware or bisque, each color produces a softer, velvety finish when left unglazed, and intensifies in richness when covered with clear glaze.  Studio NotesFor 2 oz and 4 oz portions, glazes are poured from bulk into portion cups with lids. For long-term storage, we recommend placing your portion cups into a zip lock bag. For 16 oz portions, glazes are poured from bulk into cleaned recycled glaze bottles.  DiscountsCash or Zelle Payments-$0.50Studio Members20% off 16 oz pints (when available) with code MEMBER-GLAZE at checkout Pick up available at our Ottawa, IL based studio.Shipping not available for glaze purchases.