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Iridium and palladium: their industrial usage

Iridium and palladium are less well known than gold or platinum, however it plays a key role in automotive industries, aerospace, medical equipment and jewelry production. 

Industrial applications

Iridium, one of the densest metals on Earth, is corrosion resistant and stable at high temperatures. Iridium sheets are used to make crucibles for crystal growth, aerospace igniters, automotive spark plugs, and medical discs. These discs are employed in irradiation procedures and X-ray equipment due to iridium’s radiation-resistant properties.

Palladium is known for its exceptional ability to absorb hydrogen, making the foil invaluable in various applications such as hydrogen diffusion, medical devices, ceramic capacitors, and as catalysts in numerous chemical reactions.

Both iridium and palladium wires find use in an array of applications. While iridium wires are used in the automotive industry, temperature detection, and medical devices, palladium wires are integral to medical equipment, spark plugs, sensors, and electrodes.

Both metals are also used to produce ribbon and tubes. Iridium ribbons are used in high-pressure applications and palladium tubes are used in medical equipment, hydrogen diffusion, and jewelry manufacture.

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