Plastic Bottles Packaging

Labels applied to soft squeeze bottles such as shampoo, lotion, and body wash containers often face a common issue: cracking or deformation during use. This problem not only affects product appearance but also reduces brand perception and packaging quality. 1. Main reasons label cracking occurs 1.1 Bottle deformation during use Soft squeeze bottles are designed to deform repeatedly during usage. This constant stretching and compression puts mechanical stress on the label surface, causing cracking over time. 1.2 Inflexible label materials Paper-based labels or rigid film materials cannot adapt to continuous bottle movement. Lack of flexibility leads to surface fracture or peeling. 1.3 Improper adhesive balance If the adhesive is too rigid or not elastic enough, it cannot move with the bottle surface, increasing the risk of cracking or edge lifting. 1.4 Excessive tension during application High tension during labeling or improper application pressure may pre-stress the label surface, making it more prone to damage during use. 2. Recommended label materials 2.1 BOPP film labels BOPP labels offer high flexibility and are widely used for squeeze bottles in personal care packaging. 2.2 PE (polyethylene) labels PE labels provide excellent stretchability and are ideal for highly deformable containers. 2.3 Soft PET labels (special grade) Flexible PET materials can be used for applications requiring both durability and moderate flexibility. 3. Recommended adhesive types High-flexibility pressure-sensitive adhesive Strong bonding adhesive with elasticity Adhesives designed for curved and deformable surfaces 4. Printing and finishing recommendations To improve durability on squeeze bottles: Flexible UV printing systems Soft-touch lamination films Thin coating layers to reduce cracking risk Conclusion Label cracking on soft squeeze bottles is mainly caused by material rigidity and continuous mechanical deformation. Selecting flexible film materials and compatible adhesives is essential for long-term label performance.