Processing Machinery
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LDPE Environmental Friendliness
Problem Phenomenon
The recycling identification of LDPE packaging is unclear, and its recycling value is underestimated
Cause Analysis
LDPE is recycling number 4 with a mature recycling system; film recycling requires dedicated channels; single-material packaging design increases recycling value; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
① Design packaging with a single material for easy recycling; ② print recycling identification in a standardized way; ③ connect film recycling to dedicated channels; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The recycling value of LDPE is realized through design; single material plus standardized identification is the foundation of green packaging; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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