Haines & Maassen Metallhandelsgesellschaft mbH



In Wire

In Gasket
In Seal

Indium Wire

Indium Gasket

Indium Seal

Melting Point

156.6° Celsius

Indium Draht, verschiedene Stärken

Specific Weight

7.31g/cm3

Purity

99.99+%

Colour

silvery-white shiny

Mohs Hardness (typical)

1.2

Thermal Conductivity

81.6 W/ (m x K)

Boiling Point

2080° Celsius

RoHs

Due to its purity of 99.99+% our indium wire is RoHS-compliant.

Available Diameters

Available Diameters

In our warehouse in Bonn Haines & Masssen stock always indium wire in 5-m and 10-m coils which are especially popular for indium gaskets in the vacuum- resp. cryotechnology. The usual available diameters of indium wire are:

0.5 mm

0.68 mm

0.8 mm

1.0 mm

1.27 mm

1.5 mm

1.8 mm

2.0 mm

2.5 mm

3.0 mm

Other customer-specific diameters may be realised depending on the required quantities.

Our indium wire is always supplied with a lot-specific certificate of analysis of the metallic impurities.

 

Purity

Usually our indium wire has got a purity of 99.99 %. If indium wire with a purity of 99.999 % is required for your purposes we are also able to supply such a high purity.

Packing

In order to ensure that you will receive our product in a perfect condition we supply our indium wire coiled up on a spool in a plastic can shrink-wrapped without dents.

Buying Indium

If you would like to buy indium wire or find out our current indium wire price please click here for our contact information. We would also appreciate your call at +49 228 946510.

 

Currently:


 

Recycling of Indium – Purchase of Indium

We gladly take over your collected used indium wires at market- and quantity adequate prices. Please call us at +49 228 946510.

 

 

Indium Wire: Special Properties and Uses

 

Indium wire features a high ductility – under low pressure it adapts even to smallest irregularities of the ground. This and its low tendency to embrittle (also at extremely low temperatures) makes indium wire a favoured sealing compound for cryotechnoligy (indium gaskets) and vacuum technique.

Materials which extend and contract differently (for instance copper and glass) can be bonded to indium wire thanks to its ductility.

Thus these special requirements which are very common in the vacuum technique and cryotechnology ranges can be met much better than with many other sealing materials.

The low melting point of indium wire allows also the use for instance in the soldering range of temperature-sensitive applications.

 

 

Indium wire tends to an oxidation of the surface but is self-passivating, which means that within only a few days after production a solid oxide layer of abt. 100 angstrom will form on the surface of the indium wire. In order to remove this oxide layer (for instance for soldering without fluxing agent) a short bath (abt. 1 minute at room temperature) in 10% hydrochloric acid will suffice. A previous cleaning for instance with acetone is recommended so that the hydrochloric acid can work uniformly. The hydrochloric acid will then be removed by washing with distillated water. Afterwards the indium should preferably be dryed oxygen-deficiently with nitrogen or a similar agent. Thus one achieves for a short period an indium surface with low oxide which will provide a self-fusing. If this is not desired the indium wire should not be coiled again immediately as otherwise the layers of indium wire may stick together.

 

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