Processing Machinery
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PESU Low-Temperature Resistance Application
Problem Phenomenon
【Problem Phenomenon】Material selection for transparent structural parts in low-temperature environments, conventional transparent plastics embrittle at low temperatures
Cause Analysis
PESU cold resistance can reach -100℃, and its amorphous transparency is maintained at low temperatures; combined with Tg230℃ high-temperature capability, the working temperature span is extremely large; when troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Solution
Evaluate PESU for low-temperature transparent parts and perform low-temperature impact verification; verify dimensional stability in temperature-alternating occasions; prioritize PESU for wide-range applications from -100 to 200℃
Key Takeaway
PESU is transparent over a wide temperature range from -100 to 200℃, a rare option for low-temperature embrittlement occasions; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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