For flexible packaging, it is imperative to blend, dispense and apply the adhesives that laminate films and foils to substrate materials with precision. As well as preventing waste, this helps avoid product loss, machine downtime and packaging failures. Thanks to equipment that ensures adhesive reservoirs remains filled, prevent viscosity-changing evaporation and monitor mix ratios and coat weights manufacturers now can achieve high control levels over lamination processes. Flexible packaging proponents highlight many potential benefits, ranging from the environmental to the aesthetic to accelerating filling. The material used to produce such packaging is typically made by plastic-to-plastic and plastic-to-foil lamination processes using largely, but not exclusively, acrylic or polyurethane adhesives. The adhesives can be solvent-based, solvent-free or water-based, which are usually available in either one-part or two-part formats, hot-melt or radiation-cured.

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