Bullseye Caribbean Blue (style 001164) is a 90 COE fusible glass sheet, a transparent color for fusing, slumping, and kilnforming. It carries a fired-on iridescent surface that shifts color with the light and does not burn off at fusing temperatures.
Working notes Stable. No color shift.
Reactions This is a reactive glass. It contains Copper (Cu) and may react where it meets Selenium (Se) / Sulfur (S), Reactive styles (000009, 001009, 001019), forming a visible line or halo at the boundary. Use that on purpose to outline and add depth, or keep reactive colors apart to avoid it.
Format and sizes Double-rolled sheet, 3mm, with a rainbow iridescent surface on one side and a rolled edge. Available in the sizes shown above.
Fusing and compatibility Tested compatible with other Bullseye glass. When you combine it with glass from other makers, matching COE alone does not guarantee compatibility, so fire a small test tile first.
More of This Color The same Bullseye color in other forms: 3mm Sheet · 2mm Thin Sheet · 2mm Iridescent Sheet · Frit .
Helpful downloads What to Expect from Bullseye Glass (PDF) · Reactive Potential of Bullseye Glass (PDF)
Technical data courtesy of Bullseye Glass.
Description updated: July 7, 2026
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