Extrusion & Post
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LLDPE environmental friendliness
Fenómeno del problema
LLDPE packaging recycling marks are unclear, and recycling value is underestimated
Análisis de la causa
LLDPE recycling code is 4, belonging to the same PE recycling system as LDPE; single-material packaging design increases recycling value; stretch film recycling requires dedicated channels
Solución
①Design packaging with single material for easy recycling; ②print recycling marks according to standards; ③connect stretch film recycling to dedicated channels; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
LLDPE's recycling value is realized through design; single material plus standardized marking is the foundation of green packaging; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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