Field's metal
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Field's metal, or Field's alloy (named after Simon Quellen Field) is a fusible alloy that becomes liquid at approximately 62 °C (144 °F). It is a eutectic alloy of bismuth, indium, and tin, with the following percentages by weight: 32.5% Bi, 51% In, 16.5% Sn.
As it contains neither lead nor cadmium, it is a non-toxic alternative to Wood's metal. It is used for die casting and easy prototyping.
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