White masterbatches are widely used in the production of multilayer blown films for various purposes. These masterbatches contain white pigments, such as titanium dioxide (TiO2), dispersed in a carrier resin.

White masterbatches are used to impart opacity and whiteness to multilayer blown films. Opacity is important for applications where the contents need to be protected from light or where the film's appearance is critical, such as in food packaging or medical packaging. Films with a white background produced using white masterbatches offer an excellent surface for printing graphics, text, and labels. This ensures that printed information and designs are clear and vibrant.