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Aluminum-plastic film used for lithium battery pouches is built by bonding aluminum foil with polymer films on both sides. A typical structure includes an outer nylon or PET layer, aluminum foil in the middle, and a PP or CPP sealant layer on the inside. These layers are not simply stacked and pressed together in one…
A solventless laminating line can run at high speeds, but still not meet monthly delivery targets. The problem may not be machine performance. Frequent changeovers, uneven order distribution, curing time, material shortages, and downstream bottlenecks can delay production. A good monthly plan of production ties customer orders to available machine time, readiness of materials, curing…
Flexible packaging comes with its own set of terms. You may see BOPP, PET, CPP, CoF, OTR, WVTR, corona treatment, or mono-material structure on a film specification sheet and know that each one matters, but what do they actually mean when you are choosing a film or setting up a lamination process? This packaging film…
A sealed bag of potato chips can sit on a shelf for weeks or even months and still taste crisp. Open the bag, leave it for a day or two, and the chips can quickly become soft and lose their snap. The chips themselves have not changed. What makes the difference is the protection provided…
Mono-material packaging can be produced using solventless lamination, but it cannot replace every traditional multilayer structure. The feasibility depends on the polymer family, barrier requirements, mechanical performance, sealing conditions, adhesive compatibility, and intended recycling pathway. All-PE and all-PP packaging structures are among the most promising options, while applications requiring extremely high barrier or retort performance…
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…
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