∆04-10 Speedball Underglaze
All Speedball glazes are lead-free and non-toxic. Dinnerware safe when used and fired as directed.
Speedball underglazes fire to a matte finish without a clear overglaze and to a glossy finish with a clear overglaze. It is strongly recommended to use either Speedball's Earthenware or Stoneware clear glazes with Speedball underglazes, depending upon your desired firing temp.
Speedball underglazes fire to a matte finish without a clear overglaze and to a glossy finish with a clear overglaze. It is strongly recommended to use either Speedball's Earthenware or Stoneware clear glazes with Speedball underglazes, depending upon your desired firing temp.