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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.
How to choose a flat hot melt adhesive company? Identify these 5 points and choose Guangzhou Sunlife for greater reliabilityIn industries such as book binding, graphic printing, and paper packaging, the quality of flat hot melt adhesive directly determines the product qualification rate and production efficiency. Choosing the right partner company can avoid issues such […]
Hot melt adhesive is a thermoplastic material – it “softens when heated and hardens when cooled” is a physical norm, not a quality issue. So for the same model, the back of the book may become sticky at 35 ° C in the summer warehouse, and it may crack and peel at -5 ° C […]
Application of filter element adhesive. Filters are also known as filter elements. Common filters are divided into two categories: air filters and oil filters. Air filters are mainly used to purify air. It is generally used in automobiles. According to their uses, they can be classified into air filters and air conditioning filters. [Air filter] […]
Direct answer: Choose a fast curing grade with short opening time and high initial adhesion The biggest fear for graphic and text fast printing shops is that customers will say ‘get it in an hour’. To ensure that the bidding documents and sample books can be cut and bagged after being glued, it is necessary […]
