The difference between hot melt adhesive and pressure-sensitive adhesive

Hot melt adhesive and pressure sensitive adhesive are two different adhesives, and their use and effect are different.

Hot melt adhesive is a plastic adhesive, usually used to stick wood, paper, fabric, and other materials. It can be heated to melt, then applied to the surface that needs to be bonded, and finally cooled to set. The advantage of hot melt adhesive is that it is easy to use, can be bonded without any pressure, and the adhesive force is strong. For example, when making greeting cards, hot glue is used to attach colored paper to the cardstock.

Pressure-sensitive adhesive is a solvent-free, non-irritating adhesive, usually used to paste fragile items, such as glass, ceramics, food packaging, etc. It does not require heat or added pressure, simply apply it to the surface that needs to be bonded and then press it to bond. The advantages of pressure-sensitive adhesive are not volatile, is good stability, and there is no special requirement for the material to be bonded. For example, when making sealing labels, pressure-sensitive adhesive is used to stick fragile glass bottles.

In general, hot melt adhesives and pressure-sensitive adhesives have their own characteristics and application fields, and selecting the right adhesive according to different needs can improve work efficiency and bonding effect.

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