The shelf life issue of hot melt adhesive in the label industry application

In the label industry, hot melt adhesive is a commonly used adhesive widely used in the bonding of various label materials. However, there have been some controversies and misconceptions regarding the shelf life of hot melt adhesives.

Firstly, we need to clarify that the shelf life of hot melt adhesive is not determined by a fixed time limit, but is influenced by various factors such as the composition of the hot melt adhesive, production date, storage conditions, and usage environment. Therefore, we cannot simply set the shelf life of hot melt adhesive as a fixed time, but should evaluate it based on the actual situation.

Generally speaking, if the storage environment of hot melt adhesive is suitable, such as moderate temperature, low humidity, avoiding direct sunlight, etc., and does not exceed its recommended storage period, its performance will not undergo significant changes. However, if the storage environment is poor or exceeds the recommended storage period, the performance of the hot melt adhesive may be affected, leading to a decrease in viscosity or other issues.

In addition, hot melt adhesive undergoes two processes during production: high-temperature melting and cooling hardening, which also have a significant impact on the performance of hot melt adhesive. If quality control is improper or storage conditions are poor during the production process, it may cause changes in the internal structure of the hot melt adhesive, thereby affecting its performance.

Therefore, for the labeling industry, it is very important to choose high-quality hot melt adhesive and ensure its suitable storage and usage environment. At the same time, we should also regularly check the condition of the hot melt adhesive. If any performance degradation or other problems are found, they should be dealt with or replaced in a timely manner.

In short, although the shelf life of hot melt adhesive is not fixed, as long as we pay attention to storage and use conditions, choose reliable suppliers, we can effectively extend the service life of hot melt adhesive, ensure the adhesive effect and stability of the label.

2024-3-4