押出機與押出整廠設備

PE breathable film is a polyethylene film with micron-scale pores throughout: water vapor passes through, while liquid water is held back under the designed pressure conditions. In baby diapers and sanitary napkins, a liquid-barrier outer layer that can still release moisture vapor, thanks to its microporous structure. Chi Chang’s listed applications also include masks and surgical gowns; actual use depends on the product’s construction and regulatory requirements.

In blown film production, thickness variation is often where hidden cost begins. It is not only a number on a quality report. It affects resin consumption, winding quality, printing registration, lamination stability and the customer's confidence in every roll delivered. For producers of food packaging, composite film, printing film and shrink film, unstable cross-direction thickness can quickly turn into wasted material, longer adjustment time and avoidable production cost.

The global construction industry is undergoing a silent but massive shift. For centuries, wood was the undisputed king of door frames. Over the past decade, however, we have witnessed a decisive migration toward PVC and WPC (Wood Plastic Composite) materials. This isn't just a market trend — it's a structural shift driven by hard performance requirements: moisture resistance, termite immunity, and the growing pressure to build sustainably.

The intelligent automatic air ring achieves ±3‰ thickness accuracy, reduces the scrap rate by more than 3%, and increases production capacity by 10%–15%. Soaring energy costs and strict recycling requirements under the EU PPWR framework are reshaping the European packaging industry, driving global demand for more energy-efficient and material-saving blown film production systems. Converters are increasingly turning to recyclable, downsized, multi-layer structures to lower their carbon footprint and stabilize operating costs.

Search the two most-discussed packaging regulations of the past two years — the EU's PPWR and California's SB 54 — and you will not find the words "bubble film." The named items are tea bags, fresh-produce labels, very lightweight carrier bags; the headlines belong to compostable materials and recycling-rate targets. A protective-packaging manufacturer might reasonably exhale.

The global packaging industry is undergoing a significant transformation. Driven by evolving regulations such as the European Union's Packaging and Packaging Waste Regulation (PPWR), as well as aggressive sustainability commitments from leading global consumer brands, packaging design is shifting from a performance-first approach toward a recyclability-first strategy.

In my twenty years covering the global plastics and rubber machinery industry, I have heard countless manufacturers boast about their blazing extrusion speeds or staggering output figures. The true trial of any machine begins the moment it hits the factory floor and the power switch is flipped.

In under two months, the EU's Packaging and Packaging Waste Regulation (PPWR, 2025/40) reaches its General Application Date on August 12, 2026. The date has circulated in plastics-packaging circles for nearly two years, but with only two months remaining, the level of tension across the industry is markedly different from the earlier, more relaxed "there's still time" phase.