Extrusion & Post
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PP Film Extrusion Application
Problem Phenomenon
PP film extrusion, BOPP and CPP, process and performance.
Cause Analysis
PP film extrusion; BOPP biaxial orientation; CPP casting; thickness uniformity; optical performance; heat-seal performance; application matching.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solution
①Film process; ②Thickness uniformity; ③Optical performance; ④Heat-seal testing; ⑤Application matching.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The process and performance of PP film extrusion are the core; uniformity and optics are equally important; testing ensures application quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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