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How long is the shelf life of hot melt adhesive granules? Explain the key points of preservation in one article

2026-07-23    Views: 49    Chinese

Under standardized storage, the shelf life of EVA hot melt adhesive granules is usually 12-24 months; Polyolefin and other systems can last longer. But ‘shelf life’ does not mean ‘just leave it at will’, the environment determines the actual usable time.

Key factors affecting shelf life

  • temperatureRoom temperature (15-30 ℃) is optimal, and high temperature accelerates oxidation.
  • humidityMoisture causes surface moisture absorption and clumping.
  • illuminationLong term exposure to sunlight causes the surface to age and turn yellow.
  • sealAfter opening, it is not sealed, and the odor and performance are variable.

Reference for shelf life of different systems

systemReference shelf life
EVA granules12-24 months
Polyolefin granulesOver 24 months
Modified low-temperature granules12-18 months

Storage Specification for Sunlife Hot Melt Adhesive

Sunlife Hot Melt Adhesive uses a moisture-proof inner film and a woven outer bag. Guangzhou Sunlife Trading recommends first in, first out and storage off the ground and walls, and labeling the production batch number on the bag body for easy traceability.

Frequently Asked Questions

Q1: Can it still be used if it expires a little?
First, conduct a small sample verification, which is qualified and usable, but prioritize the consumption of new goods.

Q2: How to check the production date?
Each bag of Sunlife is labeled with a batch number, and you can contact Guangzhou Sunlife Trading for inquiries.

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