Platinum (Pt) – Unrivaled Purity and Stability for Hermetic Excellence
Advanced Hermetic Solutions leverages platinum in demanding assemblies where biocompatibility, chemical resistance, and precision thermal behavior are critical — from implantable devices to aerospace sensors and optical feedthroughs.
Material Properties
- Atomic Number: 78
- Atomic Mass: 195.084 u
- Density: 21.45 g/cm³
- Melting Point: 1,768.3°C (3,214.9°F)
- Boiling Point: 3,825°C (6,917°F)
- Thermal Conductivity: 71.6 W/m·K
- Electrical Resistivity: 10.6 µΩ·cm
- Modulus of Elasticity: ~168 GPa
- Hardness: 3.5 (Mohs)
- Corrosion Resistance: Outstanding in acids, oxidizers, and at high temperature
- Biocompatibility: Among the most inert and tissue-safe metals
- Thermal Expansion: ~8.8 µm/m·K
Applications in Hermetic Engineering
Implantable Devices
Platinum’s inertness and biocompatibility make it ideal for pacemakers, neurostimulators, and hermetically sealed implants.
High-Temp Sensor Elements
Stable electrical properties and heat tolerance allow platinum to be used in RTDs and vacuum-sealed temperature sensors.
Glass-to-Metal Seals
Matched CTE and oxidation resistance ensure platinum’s long-term hermetic sealing performance in optics and semiconductors.
Hermetic Assemblies that Endure
Advanced Hermetic Solutions offers platinum brazing, metallization, and feedthroughs for ultra-reliable, long-life assemblies in critical systems. Let's design yours.
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