U9 Best Black Cone 06-6+ Leslie Ceramic Underglaze

The U Serries of Leslie underglaze have a wide range of colors made locally in Sacramento California. U13, U20, U30, are not recommended for temperatures above cone 03 on food surfaces. Most cover glazes interact poorly with the underglaze at higher temperatures.Available in Pints, Gallons, and 25# dry mixes. Dry blends have a 3 day lead time.Made here in Sacramento.Lead FreeWide range 04-6+Safe for School K-12 UseFood Safe Non-Toxic when properly Fired with proper covering glazeWARNING: This product can expose you to chemicals including crystalline silica and titanium dioxide, which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov

Speedball Underglaze, Black, 16 Ounce Jar

Koke Glaze Industrial Minerals Co.

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Leslie's U-Series Underglaze

Koke Glaze Industrial Minerals Co.

Leslie Ceramic Glazes Industrial Minerals Co.

Speedball Underglaze, Black, 16 Ounce Jar

The U Serries of Leslie underglaze have a wide range of colors made locally in Sacramento California. U13, U20, U30, are not recommended for

U13 Pink Cone 06-6+ Leslie Ceramic Underglaze

Leslie's U-Series Underglaze

Leslie's Glaze - Low Fire

Leslie Ceramic Glazes Industrial Minerals Co.

PSH BLACK UNDERGLAZE – The Pottery Supply House

Industrial Minerals Co.

Speedball Underglaze, Black, 16 Ounce Jar