Speedball Underglaze, Blue Frost, 16 oz, Made in USA, Lead-Free Color Glaze for Pottery and Ceramics, Wide Firing Range Cone 05-10, Food Safe

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TRUSTED BY ACCLAIMED CERAMIC ARTISTS - Ideal for detailed painting, sgraffito decoration, watercolor effects, free brush painting, and mishima decoration
GET CONSISTENT RESULTS - Opaque colors will not move or bleed; for best results, apply 2-3 liberal coats
WIDER FIRING RANGE - Designed to perform Cone 06-6, can be successfully fired at Cone 10
LEAD FREE - All colors are dinnerware safe when used and fired as directed (with covering glaze), are lead-free and carry the AP Seal
THICK FORMULATION - Unique formulation allows artists to thin the underglaze with water to just the right viscosity, according to each project’s needs