Description
Works with gold, brass, silver, copper, aluminum, and more.The ceramic silica crucible can withstand temperatures up to 2500°F (1371°C).This kit also includes a 4 ounce package of anhydrous borax casting flux, a 5/16" in diameter x 12" long graphite stir rod, plus a pair of small whip tongs that will securely hold your crucible while your pour and cast your molten metals