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UnopenedHot melt adhesive granulesIt can usually be stored for 12-24 months in a cool and dry place; Once opened, it is recommended to use it within 3-6 months. Whether it is sealed or not directly determines whether the rubber particles will absorb moisture, clump, and decrease in performance.
| Comparison item | Store in a sealed container | Open storage |
|---|---|---|
| Moisture absorption risk | low | high |
| Shelf life | more than 6 months | 1-3 months |
| Performance on the computer | stable | Easy to bubble and break strips |
Sunlife hot melt adhesive is packaged in double layers of moisture-proof inner film and outer woven bag. After opening, it is promptly sealed to effectively extend its shelf life. Guangzhou Sunlife Trading also supports small batch delivery based on weekly usage, reducing long-term open storage.
Q: Can expired rubber particles be used?Not necessarily. Conduct a sample test first, and if the performance meets the standard, it can still be downgraded for use.
Q: Can damp rubber particles recover after drying?Mild moisture and low-temperature drying can be salvaged, while severe clumping is recommended for disposal.
In foreign trade procurement,Hot melt adhesive granulesThe most common English writing style is Hot Melt Adhesive Granules, can also be written as Hot Melt Adhesive Pellets; According to the system breakdown, EVA Hot Melt Adhesive, PSA Hot Melt (pressure-sensitive), and PUR Hot Melt (wet curing) are used. Clearly state ‘system+form+purpose’ so that the quotation will […]
Maintaining consistency is crucial for binding applications. – Managing processes and materials can lead to the best results. In terms of binding materials, manufacturers are seeking solutions that feature high durability, temperature and moisture resistance, as well as strong adhesion to various substrates. The formula of the binding hot melt adhesive product portfolio exceeds the […]
Direct answer: There are three main methods for testing the binding strength of books and periodicals – spine tension (page tension) test, repeated folding test, and drop and stacking test. If only one type is selected, publications should be given priority for page pull-out force testing; To cover real usage scenarios, the combination of tension […]
The application methods of EVA hot melt adhesive and the variables to be considered: Due to the multi-functionality of a series of markets, the global hot melt adhesive market is growing. Before choosing hot melt adhesive for the process, please carefully review the type of application method and the variables to consider: EVA hot melt […]
