For high-quality kiln work, the flatter double-rolled glass minimizes bubble entrapment. Standard thickness is 3mm.90 COE.
Bullseye Steel Blue Transparent is a Copper-bearing glass that will react with reactive glass and may react with glass containing Sulphur/Selenium.
The main image shows a closeup of the unfired glass color. In the additional images you'll see a comparison swatch of the unfired glass color (top) and the glass after firing to a full fuse (bottom). Swatch image is about 1 inch wide.
Photo above is a general representation of glass colors. Colors may vary. Sizes are Approximate.