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Alchemy Clear, Silver to Bronze 001016

  • Sheet Glass

001016-0030-x-xxxx

Reacts With

Silver

See our Bullseye Reactive Potential charts for more information

Cold Characteristics

Unfired sheet has a faint coral tint.

Working Notes

Upon firing, silver foil turns bronze where it is in contact with the glass. Sample tile above illustrates firing silver foil uncapped on top of 001016 (left), and fired between Clear and 001016 layers, with 001016 as the cap (right). Faint coral color may be evident in fired works.

Expect variation in effects. Reactions range from "antiqued" light bronze to warmer bronze hues. Variations can result from different sources and thicknesses of silver, glass production runs, and heatwork (this includes firing times, temperatures, and multiple firings).

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.

In Quality Control testing, this glass is evaluated once fired to a full fuse with a recommended soak at 1225°F.

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.

1016-0031_5.jpg

Pictured: Cap: 001016-0031 Alchemy Clear, Silver to Bronze, with rainbow iridescent coating. Irid up. Base: 3mm Tekta Clear. Silver foil between layers.

001016-0031 Alchemy Clear, Silver to Bronze (rainbow iridescent)

The iridescent coating acts as a resist, which can prevent reactions with silver foil. When firing silver in contact with the iridescent coating between layers, we have observed subtle to no reactive effects. Reactions may develop where there is greater contact, such as through thinner sections of the coating (gold, silver) and minute fissures throughout. This effect has a subtle, variegated "antiqued" light bronze appearance.

We do not recommend firing silver foil on top of iridescent coatings on the surface of a piece, as it does not adhere well. Reactions are stronger and more predictable when firing silver in contact with the non-iridized side of the sheet glass. Expect variation.