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Sterling-Super White Alloy - Otto Frei
Otto Frei

Sterling-Super White Alloy

Part # 846-597N Only 2 left Weight <0.1 lb / <5 g
$11.74

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Description

Sterling-Super White Alloy is a general-purpose master alloy designed for alloying with pure silver to produce .925 sterling silver. Suitable for both casting and fabrication, this alloy delivers a super white color result and is formulated with more zinc and less copper compared to the Classic White alloy (846-588). It contains no silver and is sold per troy ounce (20 pennyweights / 31.1 grams).

Features

  • Super white color when alloyed with fine silver to .925 sterling
  • Suitable for casting and fabrication applications
  • Heat treatable for added versatility
  • High fluidity for reliable casting performance
  • Good tarnish resistance
  • Contains no silver — add to pure silver to achieve .925 sterling
  • Higher zinc and lower copper content compared to Classic White 846-588
  • May also contain silicon and deoxidizers; formulation includes proprietary metals not fully disclosed in composition

Specifications

Composition Cu 65%, Zn 35% (plus proprietary metals, may include silicon and deoxidizers)
Silver Content None — master alloy only
Target Alloy .925 Sterling Silver
Color Result Super White
Sold By Troy ounce (20 pennyweights / 31.1 grams)
Heat Treatable Yes
Tarnish Resistance Good

Notes

This alloy contains proprietary metals not fully listed in the composition breakdown. The formulation may also include silicon and deoxidizers. For a classic white result with a different Cu/Zn ratio, refer to Classic White alloy 846-588.

Specifications

Brand
Otto Frei
Part #
846-597N
Type
Alloys
Dimensions
2 in x 2 in x 0.5 in
Composition
Cu 65%, Zn 35% (plus proprietary metals, may include silicon and deoxidizers)
Silver Content
None — master alloy only
Target Alloy
.925 Sterling Silver
Color Result
Super White
Sold By
Troy ounce (20 pennyweights / 31.1 grams)
Heat Treatable
Yes
Tarnish Resistance
Good

Documents

Specs, manuals, and certificates for this product. All files open in a new tab.

Casting Alloys, Solders and Precious Metals Safety Data Sheet SDS · 282 KB · 12 pages
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.

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