A reliable, professional-grade investment casting master alloy formulated to produce a darker yellow tone ideal for 10K–14K gold alloying. This alloy contains no gold and is sold per troy ounce (20 pennyweights / 31.1 grams), making it a cost-effective base for custom casting work. With a higher copper content and reduced silver compared to similar casting alloys, it delivers a warmer, deeper yellow color well-suited to yellow gold casting applications.
| Application | Investment casting master alloy |
|---|---|
| Gold Content | None — master alloy base only |
| Copper (Cu) | 73.7% |
| Silver (Ag) | 14.8% |
| Zinc (Zn) | 11.5% |
| Additional Elements | Proprietary; may include silicon and de-oxidizing agents |
| Sold By | Troy ounce (20 pennyweights / 31.1 grams) |
| Karat Range | 10K–14K yellow gold |
The full composition includes proprietary metals not disclosed in the listed percentages. The alloy may also contain additional elements such as silicon and de-oxidizing agents. Composition figures reflect primary constituents only.
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