Processing Machinery
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TPE Product Aging Resistance
Problem Phenomenon
Products crack in outdoor use.
Cause Analysis
Material aging resistance is insufficient; ultraviolet and oxidation age TPE.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
①Select aging-resistant grades; ②add antioxidant and UV stabilizer; ③perform aging test; ④supplier improves the formulation.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Aging resistance is a must for outdoor TPE; formulation and verification are equally important.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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