Description
The Dark Pink-Rose 9–18 All Purpose Master Alloy is a professional-grade casting and fabrication alloy designed for jewelers working across a wide range of gold karatages from 9 to 18 karat. Sold by the troy ounce (20 pennyweight / 31.1 grams), this master alloy contains no gold and is formulated to deliver a warm, dark pink-rose color result when alloyed with gold. Its low silver content and high fluidity make it well suited for investment casting as well as bench fabrication work.
Features
- All-purpose formulation suitable for both casting and fabrication applications
- Compatible with 9 to 18 karat gold alloy systems
- Low silver content promotes high fluidity for clean casting results
- Contains no gold — used as a master alloy to be combined with fine gold
- Delivers a dark pink-rose color characteristic in finished alloys
- Sold by the troy ounce (20 DWT / 31.1 grams)
- Proprietary metals are included in the formulation beyond the listed composition
Specifications
| Karat Range | 9–18 karat |
|---|---|
| Color Result | Dark Pink-Rose |
| Application | Casting and fabrication |
| Fluidity | High |
| Silver Content | Low |
| Gold Content | None |
| Composition | Cu 92.5%, Ag 4.5%, Zn 3% (plus proprietary metals) |
| Sold By | Troy ounce (20 DWT / 31.1 g) |
Notes
The listed composition — copper 92.5%, silver 4.5%, zinc 3% — reflects the primary ingredients. The manufacturer includes additional proprietary metals in the formulation that are not disclosed in the composition breakdown. This alloy contains no gold and must be combined with fine gold to produce a finished karat alloy.
Specifications
- Brand
- Otto Frei
- Part #
- 846-150
- Type
- Alloys
- Dimensions
- 2 in x 2 in x 0.5 in
- Karat Range
- 9–18 karat
- Color Result
- Dark Pink-Rose
- Application
- Casting and fabrication
- Fluidity
- High
- Silver Content
- Low
- Gold Content
- None
- Composition
- Cu 92.5%, Ag 4.5%, Zn 3% (plus proprietary metals)
- Sold By
- Troy ounce (20 DWT / 31.1 g)
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
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