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99.99% Indium
Ingots

2491A – 136 Degree F
Low Melting Alloy
2 lb Cake Even Weight

Indium

Featuring 99.99% Indium and Indium-Based Low Melting Alloys

Indium was discovered by the German chemists Ferdinand Reich and Hieronymus Richter in 1863. Reich and Richter had been looking for traces of the element thallium in samples of Zinc order, when they saw a brilliant indigo line in the sample’s spectrum which revealed the existence of Indium. Indium is about as abundant as silver but is much easier to recover since it typically occurs along with Zinc, Iron, Lead, and Copper ores.

Indium has a wide range of uses: as a thin alloy layer in high performance bearings, in the electronics industry it has been widely used to manufacture flat screen televisions.  It is used as a component of transistors and in computer equipment; in low melting point alloys and in solders. Some of these low melting point alloys are used for glass lens grinding and polishing, and as plugs for fire sprinkler systems. Indium is also used as catalysts and in the purification for the manufacture of certain organic chemical products, particularly man-made fibers. The metal also has many minor uses in research and laboratory techniques.

Featured Product Specifications

Product
Name
Belmont
Product
Code
Form Nominal
Composition
(%)
- - - In Bi Pb Sn Cd Other
99.99% Indium IN99AAAH Ingot 99.99 - - - - Bal
99.99% Indium IN99AAAR 1/4" and Down shot 99.99 - - - - Bal
117 Degree F Low Melting Alloy 2451A 2 lb Cake Even Weight 19.1 44.7 22.6 8.3 5.3 -
136 Degree F Low Melting Alloy 2491A 3 lb Cake Even Weight 21 49 18 12 - -
99.99% Indium
Belmont Product Code IN99AAAH
Form Ingot
Nominal Composition (%)In - 99.99Other : Bal
99.99% Indium
Belmont Product Code IN99AAAR
Form 1/4" and Down shot
Nominal Composition (%)In - 99.99Other : Bal
117 Degree F Low Melting Alloy
Belmont Product Code 2451A
Form 2 lb Cake Even Weight
Nominal Composition (%)In - 19.1Bi - 44.7Pb - 22.6Sn - 8.3Cd - 5.3
136 Degree F Low Melting Alloy
Belmont Product Code 2491A
Form 3 lb Cake Even Weight
Nominal Composition (%)In - 21Bi - 49Pb - 18Sn - 12