Hot melt adhesive is a plastic adhesive. Its physical state changes with temperature changes within a fixed temperature range, and its chemical properties remain unchanged. It is non-toxic and tasteless, and is an environmentally friendly chemical product. Hot melt adhesives are easy to pack, transport, and store. The product is solvent-free, pollution-free, non-toxic and environmentally friendly. Due to the advantages of simple production process, high added value, high bonding strength and fast speed, hot melt adhesives are favored by consumers.
So does hot melt adhesive have a shelf life?
The answer is of course yes. Hot melt adhesive also has a shelf life, and long-term contact with air will cause the hot melt adhesive to oxidize. Improper storage will cause the hot melt adhesive to turn yellow. Moreover, the EVA hot melt adhesive itself is not waterproof. If it is placed in a humid place for a long time, it will have a certain impact on the viscosity of the hot melt adhesive in an environment that is too high or too low. However, if it is kept properly, the storage time of the hot melt adhesive can be appropriately delayed.
How to store hot melt glue?
When the hot-melt glue stick or hot-melt glue pellet is not in use, it is necessary to seal the hot-melt glue and store it in a cool and dry place, which can slow down the oxidation of the hot-melt glue. Avoid sunlight exposure, prevent contact with steam, water and alcohol solvents, generally can be stored for 1-3 years. Hot melt adhesives are chemical products and should be kept out of the reach of children.
Precautions when using hot melt adhesive
When the hot-melt adhesive is heated, care must be taken to avoid being scalded by the molten hot-melt adhesive. It is recommended to buy hot melt adhesive according to the demand, and use it as soon as possible to avoid idle time.
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