Extrusion & Post
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TPE extrusion surface roughness
Problem Phenomenon
TPE extruded product surface is rough, plasticization and mixing are poor, and fluidity is poor
Cause Analysis
Causes of TPE extrusion roughness: poor plasticization and mixing, poor fluidity, material dampness; an extruder with poor mixing effect cannot fully plasticize; insufficient temperature causes poor fluidity
Solution
①use an extruder with good mixing effect; ②increase the set temperature; ③fully dry the material; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
TPE extrusion roughness is troubleshooted along the three lines of equipment, temperature, and drying; mixing capacity is the core equipment indicator; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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