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AURUM™ TPI is a melt-processable thermoplastic polyimide from Mitsui Chemicals. It combines heat resistance, dimensional stability, and mechanical strength for precision components operating across demanding thermal environments.
Materials used in cryogenic equipment must support component integrity and dimensional control under severe operating conditions. AURUM™ TPI is positioned as a potential alternative to PEEK for applications where extreme temperature cycling, mechanical performance, and precision are important design considerations.
Potential applications include:
Components used in cryogenic systems must maintain both strength and toughness at extremely low temperatures. As shown by the tensile data at -196°C, AURUM® TPI exhibits an exceptional combination of high tensile strength and high elongation compared with PEEK and PCTFE. While PEEK and PCTFE retain useful strength, their significantly lower elongation indicates a more brittle response under load. In contrast, AURUM® TPI maintains approximately 190 MPa tensile strength together with about 16% elongation, demonstrating an uncommon balance of strength and ductility at cryogenic temperatures.
This combination can help reduce the risk of brittle cracking and mechanical failure in critical cryogenic components exposed to thermal cycling, pressure fluctuations, and mechanical loading. As a result, AURUM® TPI is well suited for demanding applications involving liquid oxygen (LOX), liquid hydrogen (LH₂), liquid helium, and other ultra-low-temperature process environments where mechanical reliability is essential.
AURUM™ TPI offers a combination of properties for engineers evaluating materials for highly demanding environments:
Aerospace and Space
Evaluate AURUM™ TPI for precision components used in cryogenic fuel systems, propulsion assemblies, tanks, transfer lines, valves, seals, and related equipment.
Consider the material for seals, pumps, valves, piping systems, LNG equipment, and industrial gas-processing components exposed to low-temperature conditions.
Explore potential use in precision components for semiconductor manufacturing, wafer fabrication, vacuum systems, and cleanroom process equipment.
Connect with Mitsui Plastics to discuss:
Tell Us About Your Cryogenic Application
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