Platinum Iridium Tube

Platinum Iridium Tube used in jewelry and surgical pins.They are much harder, stiffer, and more resistant to chemicals than pure platinum, which is relatively soft.

It is also very resistant to high-temperature electric sparks and is widely used for electrical contacts and sparking points.

Precision resistors and slide wire potentiometers utilise considerable quantities of 10
and 20 per cent iridium-platinum tube.

The combination of moderate resistivity, low temperature coefficient and high corrosion resistance exhibited by these alloys is of great value in the construction of high quality transducers.

Electrical contact applications account for a fair proportion of the iridium-platinum tubes. The high hardness and low contact resistance of make them particularly suitable for low current, low pressure applications

In the temperature measurement field we find the 10 per cent iridium platinum tubes used in combination with a 40 per cent palladium-gold wire. This thermocouple, capable of generating 34 millvolts at 6oo0C, has wide applications at moderately high temperatures.

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