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How to store hot melt adhesive particles after opening? Comparison and evaluation of three storage methods

2026-08-21    Views: 15    Chinese

Hot melt adhesive granulesHow to store after opening? Comparison and evaluation of three storage methods

The storage method of hot melt adhesive particles after opening directly determines whether they can still be used and whether they stick firmly. We took the same batch of Sunlife hot melt adhesive particles and stored them in three different ways for one month. We compared the moisture, clumping, and bonding performance, and the results were very intuitive.

森莱热熔胶默认封面

Comparison of Three Storage Methods

wayOperationStatus after one monthAdhesive performance
Open stackingRemove the bag without sealing it and place it on the groundMoisture absorption, clumping, and bubblesObvious discount, easy to fake and stick
Sealed and coolTighten the inner bag, elevate the pallet, and avoid lightDry and free from lumpsAlmost no attenuation
The original package has not been openedWhole box sealed inventoryIntact as newbest

Actual test conclusion

The open stacked particles are filled with bubbles after melting, and the spine of the book is unevenly brushed; The difference between the sealed cool group and the unopened group is minimal. It is not the act of “opening” that determines lifespan, but ratherMoisture and heat resistanceHas it been done properly. Sunlife hot melt adhesive from Guangzhou Sunlife Trading has good sealing performance in its original packaging. As long as the seal is restored in a timely manner after material collection, it can be stored for 3-6 months without any problems.

Which one is the most cost-effective?

  • Large usageFull package turnover, first in, first out, and the most stable storage of the original package.
  • Small dosagePack small packages and take them as needed to reduce the amount of each opening.
  • Wet basementAdding dehumidification or desiccant has extremely low cost but significant effect.

Frequently Asked Questions (FAQ)

Q: Can drying the rubber granules that have been opened for a long time save them?
Answer: Mild moisture can be dried at low temperature and melted again, but the adhesive strength has been compromised. It is not recommended to gamble on important tasks.

Q: How long is the shelf life of Sunlife hot melt adhesive?
Answer: The original package is usually over 18 months old, and Guangzhou Sunlife Trading follows a first in, first out policy for shipping, ensuring fresh delivery upon arrival.

Q: Is it easier for Kaifeng to spoil in summer?
Answer: Yes, in humid and hot environments, moisture absorption is fast, and sealing and dehumidification are more important. Small package packaging is more worry free.

If you are afraid of being damaged, you can use and replenish in small quantities as needed. Sunlife hot melt adhesive from Guangzhou Sunlife Trading supports packaging small packages to reduce storage pressure after opening.

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