Storage and shelf life management of Sealing Adhesive: secrets to extending its service life

1. Storage environment: control of temperature, humidity, and lighting
The storage environment of sealing adhesive has a decisive impact on its performance and shelf life. Under ideal storage conditions, the temperature should be maintained between 15 and 25 degrees Celsius. Excessive temperature may accelerate the reaction of chemical components in the sealing adhesive, leading to a decrease in performance; If the humidity is too high, it may cause moisture to invade and affect the sealing effect. Meanwhile, the sealing adhesive should be stored in a cool and dry place, away from direct sunlight, as ultraviolet radiation may damage the polymer structure in the sealing adhesive.

2. Packaging integrity: prevent oxidation and contamination
Maintaining the integrity of sealing adhesive packaging is crucial. Once the packaging is damaged, oxygen and moisture from the air can enter, causing the sealing adhesive to oxidize, solidify, or become contaminated. During transportation and storage, handle with care to avoid collision and compression. After use, it is necessary to seal the packaging in a timely manner to ensure that its performance is not affected in the next use.

3. Shelf life management: Regular inspection and recording
Establishing a comprehensive shelf life management system helps maximize the service life of sealing adhesives. When purchasing, the production date and shelf life should be recorded and used according to the first in, first out principle. Regularly check the inventory of sealing adhesive to ensure that it is used within its validity period. Products approaching their expiration date can be considered for use in planned projects in advance to avoid waste.

4. Determination of Sealing Adhesive Failure: Appearance and Performance Testing
To determine whether the sealing adhesive has failed, two aspects can be considered: appearance and performance. Visually, if the sealing adhesive shows discoloration, delamination, precipitation, or bubbles, it may indicate that it has deteriorated. In terms of performance testing, a simple adhesion test can be conducted by applying a small amount of sealing adhesive onto a common substrate and observing whether its drying time and bonding strength meet the requirements of the product specification manual.

5. Extending Service Life: Practical Tips and Suggestions
By optimizing storage conditions and management methods, the service life of sealing adhesives can be effectively extended. For example, installing temperature and humidity control devices in storage areas to maintain environmental stability; Store sealing adhesive in a sealed container to further isolate external interference. In addition, reasonable planning of procurement and usage plans to avoid backlog is also key to ensuring that sealing adhesive is used in its optimal state.

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