Bullseye Alchemy Clear Transparent Silver to Bronze Double Rolled 3 mm Glass (s)
See Bullseye Reactive Potential charts for more information
Unfired sheet has a faint coral tint.
Upon firing, silver foil turns a bronze color wherever it is in contact with 1016 (Alchemy Clear). On the sample tile above, the left side illustrates silver foil after being fired uncapped on top of 1016. The sample’s right side illustrates silver foil after being fired between a layer of Clear (any style) and 1016, with 1016 as the cap. (Faint coral color may be evident in any fired work containing 1016.)
Expect variations in effects to result from different sources and thicknesses of silver, glass production runs, and heatwork (including firing times, temperatures, and number of times fired).
For warm-hued bronze color development, we recommend a 1 hour soak at 1225°F in the pre-rapid heat section of a firing cycle. If fired rapidly through this temperature range, the resulting hue will be a lighter metallic.
Note: When firing silver foil in the kiln, be aware that the silver reaction can travel across the glass surface and onto the kiln shelf, potentially affecting silver-sensitive glasses in one or more subsequent firings. This can happen even when new shelf release (paper or primer) is applied to the kiln shelf. When fired between layers, silver is generally more contained and less likely to affect the firing surface.
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