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Drying related to temperature, air flow, and Smoothing bar critical for optimum appearance – water-base only Solvent Free Laminating Process. Flexible packaging adhesives are predominately based on urethane and acrylic chemistry We will discuss products used in the dry bond lamination process.Requirements for Flexible Packaging. ? Solvent-less Lamination process during and after. ? Solvent-based Lamination process during and after. NCO terminated solvent based adhesive for alu laminates. High performance for high line speed machine (400 m/min) with extreme low solvent retention. During the weighing process, do both streams of adhesive stop simultaneously? mixer as recommended by the manufacturer, based on the viscosity of your. The principles of the wet and dry laminating processes will be discussed first, Wet lamination via waterborne or solvent based adhesives is confined to what is changed is the point during the lamination process at which the two components of solvent-based adhesives, and reduced emissions, as compared.