Cerrolow 136, is a fusible alloy that becomes liquid at approximately 58 °C (136 °F).
It is a eutectic alloy of bismuth, lead, indium, and tin, with the following percentages by weight: 49% Bi, 18% Pb, 21% In, 12% Sn.
[1] and Lens Alloy 136, used for mounting lenses and other optical components for grinding.
[2] Used for mounting small delicate oddly-shaped components for machining.
[citation needed] The Young's Modulus is approximately 2.5×106 psi (17.24 GPa) [3]