Production & Quality
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PA12 Long-term Use Temperature Boundary
Problem Phenomenon
【Problem phenomenon】PA12 parts degraded in performance in long-term thermal environments, and temperature selection was in doubt
Cause Analysis
PA12 long-term use temperature is 80℃, 90℃ after special heat treatment, 100℃ in oil, and 110℃ in inert gas; the temperature resistance upper limits of different medium environments differ greatly, and selection must match the working conditions
Solution
Check the long-term temperature upper limit according to the medium environment: 80℃ in air/100℃ in oil/110℃ in inert gas; for working conditions exceeding the upper limit, select high-temperature nylons such as PA46 or PPA
Key Takeaway
PA12 temperature resistance is graded by medium, and 80℃ in air is the basic boundary; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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