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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.
Pure silver wire is white and shiny, soft in nature, and has ductility second only to gold. It is an excellent conductor of heat and electricity. It can be used to make components for highly sensitive physical instruments; important contact points in various relays; important components in radio systems also require silver as solder during welding; various automation devices, rockets, submarines, computers, nuclear devices, and communication systems all contain a large number of contact points, which are generally made of silver.
Platinum-iridium 10 rods have high hardness, high melting point, high corrosion resistance, and low contact resistance. Platinum-iridium alloy is a classic electrical contact material used in ignition contacts of aircraft engines, high-sensitivity relays, and electrical contacts of micro motors; potentiometers and conductive rings, brushes of precision sensors such as aircraft, missiles, and gyroscopes.