Recycled PE resin drives adjustments to film production processes.

Release Date:

2026-09-17

Author:

Han Shen

Source:

The circular economy concept is gradually being implemented, and the share of recycled PE resin in film production continues to rise.

The circular economy concept is steadily taking root, and the share of recycled PE resin in film production continues to rise. Compared with virgin pellets, recycled materials exhibit differences in impurities and melt characteristics; simply retaining existing process parameters can lead to poor plasticization and surface defects. This, in turn, necessitates adaptive adjustments to both blown‑film equipment and manufacturing processes. Equipment manufacturers are optimizing screw‑plasticizing designs, refining die flow channels, and integrating compatible filtration systems to better handle recycled feedstocks. Meanwhile, film converters are continuously fine‑tuning formulation ratios and adjusting process variables such as temperature, draw speed, and air‑flow rates to strike a balance between product quality and raw‑material costs. Collaborative trials across the value chain have amassed substantial practical experience, paving the way for the more widespread and judicious use of recycled materials in packaging films and other applications.

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