Medical precision alloy wire
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Platinum-iridium 10 wire is a binary alloy based on platinum containing iridium. It is a continuous solid solution at high temperatures, exhibiting high hardness, high melting point, high corrosion resistance, and low contact resistance. The chemical corrosion rate is 58% of that of pure platinum, and the weight loss due to oxidation is 2.8 mg/g. It is a classic electrical contact material used in ignition contacts of aircraft engines, sensitive relays, and electrical contacts of micro motors; as well as potentiometers and conductive ring brushes in precision sensors such as aircraft, missiles, and gyroscopes.
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