How to read 3 layer blown ldpe film specs corona treatment width and roll format
Introduction: Buyers reading an LDPE film spec page often need to separate process terms, surface treatment, and roll geometry before they compare printability or converting fit. For flexible packaging teams, words like 3-layer blown, single-side corona, 25μm to 180μm, and 3" or 6" core can look technical, but they answer different questions. One tells you how the film was made, one tells you whether a surface is easier to print or laminate, and the last group tells you how the roll will arrive and run on equipment. That distinction matters because a spec page is not a full technical data sheet. If you are sourcing from an LDPE film manufacturer or a flexible packaging film supplier, the real task is to read each field correctly, then confirm the remaining details that affect converting, storage, and application fit. 3-layer blown tells you how the film is formed, not every final property A 3-layer blown LDPE film usually means the film was made through a blown-film proces...