Bismuth metal
Bismuth metal

99.99% Pure Bismuth Metal

Bismuth metal is brittle and easily pulverized with silver-white to pink color. It has poor electrical and thermal conductivity. It is also the most diamagnetic metal. Under the influence of a magnetic field, the resistivity increases and the thermal conductivity decreases. Bismuth is the metal with the lowest thermal conductivity except mercury. It has high resistance and has the highest Hall effect of all metals (i.e., the greatest increase in resistance when placed in a magnetic field).

Bismuth metal is mainly used to make fusible alloys with a melting point range of 47 to 262°C. The most commonly used alloys are composed of bismuth and lead, tin, antimony, indium and other metals. They are used in fire protection devices, automatic sprinklers, and boiler safety plugs. , in the event of a fire, the pistons of some water pipes will "automatically" melt and spurt out water. In the fire protection and electrical industries, it is used as automatic fire extinguishing systems and electrical appliance fuses and solders. Bismuth alloy has the property of not shrinking when solidified and is used for casting printing type and high-precision molds. Bismuth oxycarbonate and bismuth oxynitrate are used to treat skin lesions and gastrointestinal problems.

It is used to make low-melting alloys and is of special importance in fire protection and electrical safety devices.

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Chemical Formual Bi Density 9.78 g.cm-3 at 20°C
Chemical Name Bismuth Metal Atomic Number 83
Molecular Weight 208.9 Purity 99.99%, 99.999%
CAS No. 7440-69-9 EINECS No 231-177-4
Melting Point 271.5 °C Boiling Point 1564 ℃

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