Causes
- Use of undercut lamella spreader rolls
- Use of thinner and thinner foils
Effects
- Local overstretching of the product
- Folding in the product
Format roll coatings can lead to uneven adhesive transfer. It is often necessary to “break in” a new size roll until a good process result is achieved. The reason for this is, on the one hand, an initially poor adhesive transfer and, on the other hand, the high running resistance of new coatings, which can drive machine drives to their performance limits. MITEX offers a specially developed coating that avoids these problems.