Self-adhesive Labels

Self-adhesive labels are a kind of sticky label material that can be pasted on objects without additional glue. There will be no adhesive residue when peeled off after pasting.

The structural components of self-adhesive are surface material, adhesive layer, and backing paper.

Face material: It is the carrier of the content of the self-adhesive label. The back of the face paper is coated with glue and is usually made of paper, film, metal foil, or special materials as the fabric.

Glue layer: A layer of sticky substance formed by special treatment of glue and usually composed of water glue, hot melt glue, or solvent glue. On the one hand, it is necessary to ensure moderate adhesion between the base paper and the surface material. On the other hand, it is necessary to ensure that the surface paper can be firmly adhered to the object after being peeled off.

Backing paper: The backing paper is also called release paper. Its non-adhesive surface can isolate the glue. Use it to attach to the facial paper to ensure it can be easily peeled off from the backing paper. A composite material, usually with silicone-coated protective paper as the base paper.

As an adhesive material, self-adhesive labels have their unique advantages and disadvantages.

Advantage:

1. Applicability: No need to add additional glue; peel off the backing paper, which can be quickly pasted. It saves labeling time, can be used on various occasions, and is convenient and quick to use.
2. Versatility: Wide range of applications, suitable for various daily chemicals, industrial products, textiles, plastics, ceramics, metal products, etc.
3. Durability: Self-adhesive labels are firmly adhered to. Different surface materials and adhesives are selected according to different application scenarios, which can be heat-resistant, moisture-resistant, corrosion-resistant, deformation-resistant, low-temperature resistant, etc.
4. Repeatability: Some self-adhesive labels are made of good materials and can be pasted, peeled off, and reused many times while maintaining good viscosity.

Shortcoming:

1. Limited stickiness: The stickiness of self-adhesive labels depends largely on the surface shape and material of the object. For rough, porous materials or wet surfaces, the adhesive effect of the self-adhesive will be greatly affected.
2. Environmental impact: The viscosity of ordinary self-adhesive labels will be greatly affected by extreme temperatures, humidity, or dry environments, and the viscosity of the glue will decrease or completely fail.
3. One-time use: Most ordinary stickers can only be used once, and the effect of reuse after peeling off will be significantly reduced.

Self-adhesive has many applications, including stickers, price tags, shipping labels, etc. It is also used for product packaging, safety signs, book covers, etc. It should be noted that different usage scenarios and environments greatly impact self-adhesive. It is necessary to choose a suitable material according to the specific situation and the advantages and disadvantages of self-adhesive.

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