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Neglecting Environmental Compatibility—Temperature and Humidity Determine Success or Failure
Issue:
Adhesive labels are prone to issues such as edge lifting and adhesive failure in extreme temperatures (e.g., -20°C cold chain or 60°C high-temperature storage) or high-humidity environments. A food company once experienced a 30% increase in customer complaints due to the use of standard labels, which caused information on frozen products to fall off.
 
 
Solution:
 Scientific Material Selection Principles:
 Low-Temperature Scenarios: Use cold-resistant adhesive (with ≥90% adhesive retention at -50°C) paired with PE face material to resist condensation.
 High-Temperature Environments: Opt for silicone-based adhesives (heat-resistant up to 200°C+) combined with polyimide film.
Certification: Ensure environmental adaptability by passing the ASTM D3330 adhesion test.
The "Symbiotic Relationship"
between Labels and Substrates
Typical Failure Case
A cosmetics brand used paper labels on glass bottles. Due to the low surface energy of the glass, the labels fell off in batches, resulting in losses exceeding 500,000 yuan.
Precise Matching Strategies
 Substrate Type
 Recommended Label Combinations
 Key Indicators
 Low - surface - energy plastics (PE/PP)
 Peel strength ≥ 3.5N/25mm
 Special rubber - based adhesive + matte silver PET
 Curved metal cans
 Elongation rate > 150%
 Flexible PVC + high - initial - tack acrylic adhesive
Expired Adhesives
Time is the Most Hidden Enemy
Risk Warnings
The shelf life of adhesives is usually 12 - 24 months. 
Using expired adhesives may lead to: A decrease in initial adhesion by more than 50%. Aging of the adhesive layer, resulting in adhesive residue (for example, a logistics company was claimed compensation due to package contamination by adhesive residue)

Management Guidelines
Intelligent Inventory Control: Enable a batch management system and prioritize the use of materials close to their expiration date.
Storage Conditions: The temperature should be 15 - 25°C and the humidity should be 40 - 60% RH.

Rapid Detection of Failure.
Simple Test Method: Paste the label onto a stainless - steel plate and observe whether there are curled corners after 24 hours.
Blind Spots in Printing Compatibility- The Game between Ink and Equipment
Instances of Technical Conflicts
A retailer used water: based inks to print on synthetic paper labels. Due to the poor ink absorption of the material, the barcodes could not be recognized, leading to a 20% surge in the return rate.
Four - step Compatibility Design Method: Confirm the Printing Method: UV printing/thermal transfer/laser printing
Match the Facestock Characteristics
Coated Paper: Suitable for water - based/solvent - based inks
PET Film: Pre - coating treatment is required to improve adhesion
Verify the Resolution: The barcode grade should reach Class A (ANSI X3.182 standard)
Field Testing: Conduct a simulation of transportation vibration tests after printing
Lack of Surface Treatment - 99% of Failures Start with Cleaning
Data Warning
1.Failure to clean the substrate surface can reduce the label's adhesion by 70% (test data from ISO 29862).
2.Professional Labeling Six - step Process
3..Cleaner Selection Isopropyl alcohol (for non - polar surfaces)/acetone (for polar surfaces)
4.Unidirectional Wiping with a Dust - free Cloth (to avoid secondary contamination)
5.Surface Energy Detection (using a dyne pen, with a value of ≥36 mN/m)
6.Labeling Pressure Control (0.3 - 0.5 MPa)

FAQ About Self Adhesive Label Materials

  • Q What should I do if I accidentally paste the label wrong and want to remove it?​

    A
    For smooth surfaces such as glass and metal, you can try using a hair dryer on the low - temperature setting to heat the label, soften the adhesive, and then carefully peel it off. Organic solvents such as alcohol or white vinegar can also be used to gently wipe off the remaining adhesive. For delicate surfaces such as paper and plastic films, heating should be avoided. Apply cooking oil, Vaseline, etc. to the edge of the label, let it penetrate slowly, and then carefully peel off the label. Use a mild detergent to remove the remaining adhesive to avoid damaging the surface.​
     
    We are dedicated to providing you with the best possible after - sales service. If you have any questions or concerns about our return and exchange policy, technical support, or product warranty, please don't hesitate to contact us. We are here to help you and ensure your experience with our products is a positive one.​
  • Q How to store self - adhesive label materials correctly?​

    A The label materials should be stored in a cool, dry, and well - ventilated place, away from direct sunlight and heat sources. Excessive temperature can make the adhesive soft and ooze, while too low a temperature may make the label brittle. The relative humidity should be controlled at 40% - 60% to prevent the labels from getting damp, which could affect the adhesion and printing effect.​
  • Q Can self - adhesive labels be used on the surface of electronic products?​

    A Yes, but it is necessary to choose the right labels. The surfaces of electronic products are mostly plastic or metal. Some labels may leave adhesive residue when removed, affecting the appearance of the product. Labels that are easy to remove and leave no residue can be selected. If long - term fixation is required, label materials that can adapt to the working temperature and environment of electronic products should be chosen.​
  • Q Can ordinary self - adhesive labels be used on food packaging?​

    A It is not recommended. Food packaging requires label materials that meet food - safety standards. The adhesives and inks of these materials must be non - toxic, odorless, and not migrate into the food to ensure food safety.​
  • Q Will the label fade?​

    A If the label is not treated with anti - fading measures, it may fade under long - term sunlight exposure, especially in an environment with strong ultraviolet rays. Using inks with UV - resistant additives for printing or choosing label materials with inherent UV - resistant properties can significantly extend the color - retention time of the label.​
  • Q How long can self - adhesive labels be used outdoors?​

    A This depends on the type of label material. Ordinary paper labels may only last for a few weeks outdoors as they are easily damaged by rain and sunlight. However, materials specifically designed for outdoor use, such as vinyl labels with high - quality UV - protective coatings, can be used for 2 - 5 years under normal climatic conditions. They can effectively resist environmental factors such as ultraviolet rays, wind, and rain.​
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