Molds & Tooling
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TPE Mold Temperature SBS/SEBS
Problem Phenomenon
SBS-based and SEBS-based TPE produced at the same mold temperature have different quality
Cause Analysis
SBS-based and SEBS-based TPE have different mold temperature requirements: SBS 20-40℃, SEBS 40-60℃; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
Set the mold temperature by base material type; SEBS-based takes a higher mold temperature to ensure the surface; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
TPE mold temperature is distinguished by base material type; 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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