Winter Adhesive Label Sticker Usage Tips
When temperatures drop, the adhesive properties of labels can weaken, leading to common complaints such as peeling, poor adhesion, and labels falling off. Let’s dive into some essential tips for using adhesive labels in winter.
Storage Environment Temperature
Labels should not be stored in extremely cold environments. If adhesive materials are kept outdoors or in cold conditions, the adhesive, in particular, can get damaged. Without proper conditioning, the stickiness can diminish or be lost entirely.
Processing Environment Temperature
The processing environment needs to be warm enough to ensure smooth operations. If the temperature is too low, the adhesive’s stickiness will reduce, leading to printing issues, die-cutting problems, and labels peeling off during processing.
Labeling Environment Temperature
The labeling environment should meet the product's temperature requirements. The labeling temperature is the minimum temperature at which labeling can be done, while the usage temperature is the range within which the adhesive can function effectively after being applied for 24 hours. If the environment meets the labeling temperature, the product can be used within the specified usage temperature range.
Label Storage
In colder regions, label storage is critical. If transportation and storage conditions cause the labels to get too cold or even freeze, even if the labeling environment is suitable, the adhesive will still be affected. Before processing or labeling, let the labels acclimate to the labeling environment to regain their stickiness.
Post-Labeling Care
Adhesive labels usually require about 24 hours to reach maximum adhesion. Avoid placing freshly labeled containers in environments with large temperature variations, even if they are within the adhesive’s usage range. Temperature changes can cause materials to expand and contract, affecting the adhesive’s performance.
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Labeling Pressure and Surface Cleanliness
Proper labeling pressure ensures the adhesive’s pressure-sensitive properties are activated, and air is expelled between the label and the surface. Clean surfaces are also crucial for optimal adhesion and a smooth application.
Case Studies and Solutions
Case 1: Salad Oil Factory A salad oil factory faced issues with adhesive labels at 0°C-5°C. The labels hardened, causing them to peel off or fall during labeling. Solution: By increasing and maintaining the workshop temperature at 10°C, the problems were resolved, and labeling quality improved.
Case 2: Northern Chemical Plant A chemical plant in the north experienced label peeling after moving freshly labeled detergent bags to a sub-zero outdoor warehouse. Solution: Allowing the products to sit in an indoor environment at 12°C for a day before moving to the outdoor warehouse eliminated the issue.
Case 3: Bottle Manufacturer A bottle manufacturer faced label peeling on shampoo bottles stored in a 10°C warehouse after labeling at 18°C. Solution: The issue was due to using frozen labels. After preconditioning the labels in the labeling environment for 24 hours, the adhesive properties were restored, and the problem was resolved.
Recommendations
By following these tips, you can ensure your adhesive labels perform optimally even in cold winter conditions.
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