Processing Machinery
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PPSU heat deflection temperature
Problem Phenomenon
PPSU high-temperature applications have high heat deflection temperature, but long-term performance and creep evaluation.
Cause Analysis
PPSU heat deflection temperature is high; high-temperature mechanical property retention; creep resistance; long-term thermal aging; application boundaries.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Select material by heat deflection temperature; ②long-term performance verification; ③creep data; ④aging test.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPSU high-temperature performance is a core advantage; long-term verification ensures reliability; data supports design.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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