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Indium Alloy
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Indium alloys expand slightly as they solidify, pushing into the crevices of a mold to produce detailed replicas. These alloys are useful for repairing dies, creating fusible links, and holding delicate parts for machining. They also have a low melting temperature so they can be cast in molds made from glass, quartz, mica, and ceramic.
Material Composition | Approximate | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Melting Temp., ° F | Bismuth | Lead | Tin | Cadmium | Indium | Thick. | Wd. | Lg. | Dia. | Wt., lb. | Shape | Each | ||
| 117 | 45% | 23% | 8% | 5% | 19% | 1/4" | 2" | 4 1/2" | — | 1/2 | Sheet, Bar | 88635K2 | 000000 | |
| 136 | 49% | 18% | 12% | — | 21% | 1/4" | 1 7/8" | 4 1/2" | — | 1/2 | Sheet, Bar | 88635K4 | 00000 | |
| 140 | 48% | 25% | 13% | 9% | 5% | 1/2" | — | — | 3 1/2" | 1 | Rod, Disc | 88635K26 | 000000 | |
| 147 | 48% | 25% | 13% | 10% | 4% | 1/2" | — | — | 3 1/2" | 1 | Rod, Disc | 88635K28 | 000000 | |
