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Steel Blue Opalescent - Bullseye (COE 90)

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SKU: BE0146-F
$2.50 / Ounce
OuncePrice
1 – 15$2.50
16 +$2.17
$34.72 per pound

Details

Approximate Diameter: 4-6mm

Approximate Length: 14"-16"

COE: 90 Compatible

Cold Characteristics

Opaque. Can have a dry surface.

Working Notes

Torch: Keep the glass blue by working it in a neutral flame throughout the process and keep it uniformly heated. Develop a matte metallic surface on this glass by forming the glass in a neutral flame; next change the flame to a reducing atmosphere by turning down the oxygen. At this point the surface should begin developing a metallic quality. Then turn off the oxygen completely, and build up a layer of carbon on the glass. Put the piece away in the annealing kiln with this carbon layer on it. Once removed from the kiln, the carbon is easily removed to expose a matte metallic surface. If you return the carbonized piece to a neutral flame, the metallic surface will disappear.

Kiln: At tack fusing temperatures, the surface frequently develops a metallic gray film. This usually disappears at full fusing temperatures. To maintain the metallic effect, fire as quickly and low as possible. Dark interface reaction likely with sulfur glasses.

At a full fuse, Steel Blue Opalescent has the potential to deposit trace amounts of copper on the surface of the kilnshelf. These deposits may react with sulfur-bearing glasses in subsequent firings. Proc(more...)

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