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Copper Casting Grain - Otto Frei
Otto Frei

Copper Casting Grain

Part # 846-90 77 In Stock Weight <0.1 lb / <5 g
$4.10

Availability Sold out

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Description

This hard-to-find .999 pure copper casting grain is used for alloying with gold and silver. High-purity copper ensures consistent, repeatable results when preparing custom alloys for jewelry casting. Sold by the troy ounce (20 pennyweights / 31.1 grams).

Features

  • .999 pure copper casting grain
  • Ideal for alloying with gold and silver
  • High purity supports consistent, repeatable alloying results
  • Sold by the troy ounce (20 dwt / 31.1 g)

Applications

  • Creating custom karat gold alloys
  • Adjusting silver alloys
  • General jewelry casting work

Specifications

Purity .999 pure copper
Form Casting grain
Sold By Troy ounce (20 dwt / 31.1 g)

Specifications

Brand
Otto Frei
Part #
846-90
Type
Alloys
Dimensions
1 in x 1 in x 0.25 in
Purity
.999 pure copper
Form
Casting grain
Sold By
Troy ounce (20 dwt / 31.1 g)

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.

Reviews · 1

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R
R.P.

Satisfied!

S
Sam G.

Is this safe for casting utensils or things that may come into contact with food/drinks?

OttoFrei.com

We sell copper for use in the jewelry industry. You may want to research that by googling is copper safe for utensils. Our copper is .999 pure copper.

j
joe

what is the melting / pouring temp of this alloy?

OttoFrei.com

This is pure copper and not an alloy. Copper melts at 1984F (1083C).