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China’s new energy vehicle output crossed 12 million units in 2024, and every one of those drivetrains depends on insulation materials that most buyers never think about. Behind each traction motor and onboard transformer sits a layer of composite insulation film—DMD, NHN, NMN—doing the unglamorous work of keeping windings from shorting out under heat and…
Lithium-ion battery pouch film, structurally composed of BOPA, aluminum foil, and CPP layers, requires extremely high manufacturing precision to ensure safety, chemical resistance, and structural integrity. Historically, dry lamination methods using solvent-based adhesives dominated this sector. However, environmental regulations and cost efficiencies have accelerated the adoption of the solventless laminating machine in flexible packaging and battery…
Converters switching to all-PE laminates for recyclability often run into the same problem: tension settings that worked fine for years on PET/PE structures start producing curling, uneven winding, or intermittent delamination once the structure changes to PE-PE. The film itself isn’t more difficult to work with. The issue is that most lamination equipment and operator…
Ink smearing in lamination occurs when the adhesive interacts with the printed ink layer, causing the ink to shift, blur, or bleed. On a finished package, this shows up as blurred color edges, patchy solid fills, or ink that has partially transferred onto the film, any of which can result in visual defects or failed quality…
PAA risk in flexible packaging is well documented where these compounds come from, why regulators treat them as a food safety priority, and which packaging structures are most vulnerable. What is less often addressed is the practical side: what does a converter actually need to change in their day-to-day production to keep PAA levels within compliant…
Every week, we hear the same question from our quality control team or a confused customer: “Our breathable film spec sheet says WVTR, but our customer’s test report says MVTR. Are we talking about two different things?” Let me just clear this up for you right now so you can save time at your technical meetings:…
The backsheet of a diaper or sanitary napkin is easy to overlook, it’s the layer nobody sees. But for manufacturers, it’s one of the most technically demanding components to produce. Getting it wrong affects everything: product comfort, regulatory compliance, and ultimately, whether a brand’s end users come back. Most hygiene backsheets are a laminate of two…
Flexible packaging manufacturing presents several technical challenges when using a solventless lamination machine to implement a 3-layer lamination structure involving PET/AL/PE or BOPP/AL/PE material layers, like PET/AL/PE or BOPP/AL/PE, such as PET/AL/PE. Though solventless lamination eliminates organic solvents and reduces energy costs, without drying oven stages found in dry lamination, this requires exact mechanical control, chemical balancing, substrate…
As technical professionals working daily on the production floor of a pharmaceutical flexible packaging plant, our primary metric of success is operational efficiency combined with strict regulatory compliance. In the manufacturing of high-barrier materials, the PET AL PE triplex structure represents the industry standard for protecting sensitive solid dosage forms, powders, and liquids against oxygen, moisture, and…
In the business of flexible packaging manufacturing, choosing the right substrate in 2-layer lamination technology is one of the most basic decisions that determines the shelf life of the package, the operability on equipment, and overall manufacturing cost. Being a technical professional at a packaging facility, I find myself often confronted with clients who have difficulty…
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