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In solventless lamination, adhesive coating weight is one of the first things to check when laminate quality becomes unstable. A small change in coating weight can affect bond strength, appearance, curing, and adhesive consumption. The problem is that simply setting a target value on the machine does not guarantee that the actual coating weight will…
Many flexible packaging converters face a practical choice when producing three-layer structures: run all three layers through the laminator in one pass, or laminate two layers first and complete the structure in a second pass. At first glance, the second option may seem more economical. A conventional duplex laminator generally requires a lower initial investment,…
Many packaging plants are hesitant to switch to solventless laminating machines. Operators who have spent years working with solvent-based equipment may expect the new process to be difficult to learn. Common concerns include tension control, uneven coating, and defects that can affect an entire roll. In practice, the learning curve can be much shorter than…
Choosing the right film structure for solventless lamination is often seen as one of the most critical strategic plus day-to-day choices in flexible packaging. Today, packaging converters really have to juggle several tough needs, like barrier behaviour, mechanical robustness, seal integrity, optical clarity, print friendliness, and of course cost effectiveness. Even though solventless lamination film systems can…
Solventless lamination gets described as “more sustainable” so often that the phrase has stopped meaning much. Ask what that actually translates to in tons of CO2, and most manufacturer content goes quiet. That gap matters more than it used to, because the questions converters are fielding from clients have changed. European brand owners are increasingly…
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…
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