DescriptionPlatinum-iridium alloy wire
Ptlrl0, Ptlr15, Ptlr25, Ptlr30 and other alloys, with high hardness, high melting point, high corrosion resistance and low contact resistance. The chemical corrosion rate is 58% of pure platinum, and the oxidation weight loss is 2.8mg/g.
It is a classical electrical contact material, used for aero engine ignition contacts, high sensitivity relays and electrical contacts of micromotors; Potentiometers, conductive rings and brushes for precision sensors such as aircraft, missiles and gyroscopes.Medium temperature thermocouple material, thick film resistor, gossamer for precision instrument, standard resistance code, dental material and injection needle.
Application:
Used in laboratories of chemical industry, pharmaceuticals, cement, and scientific research institutions as high-temperature test carriers. For experimental use above 1400 degrees. It has high temperature resistance and long life. Application: Platinum-iridium wire is widely used in industries such as platinum wire thermometers, industrial platinum resistors, and conductive baselines in precision instruments.
Specification:
| Content | Melting | Density | Vickers hardnss(Soft) | Vickers hardness(Hard) | Tension(MPa) | Resistivity |
| Pt95Ir5 | 1790 | 21.49 | 90 | 140 | 274 | 19.0 |
| Pt90Ir10 | 1800 | 21.53 | 130 | 130 | 382 | 24.5 |
| Pt80Ir20 | 1840 | 21.81 | 200 | 200 | 300 | 32 |
| Pt75Ir25 | 1840 | 21.7 | 200 | 200 | 238 | 33 |
| Pt70Ir30 | 1860 | 22.15 | 210 | 210 | 242 | 32.5 |
Details:
Packing:
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