Three side seal bags and four side seal bags can look quite similar when they are lying flat on a production table. Both are made from flexible packaging material, both can be...
How Do Dry and Wet Lamination Differ in Production
Dry lamination and wet lamination are both used to join flexible packaging materials, but the two processes do not behave in quite the same way on the production floor. At a basic...
Why Is Gravure Ink Transfer Uneven
Uneven ink transfer can be frustrating in gravure printing. One part of the printed film may look darker, while another part looks lighter. A solid area may appear patchy, a fine image...
How Does Melt Temperature Affect Cast Film Extrusion
In cast film extrusion, melt temperature is one of those production conditions that can quietly change the whole process. The film may still come out of the die, but its appearance, thickness,...
Why Is Film Thickness Uneven During Blown Film Extrusion
Film thickness can look simple on a production sheet, but keeping it even during blown film extrusion is not always easy. A roll may appear normal at first glance, yet small differences...