Production And Application of Self-adhesive Labels

Self-adhesive labels, also known as self-adhesive labels and pressure-sensitive labels, are a type of self-adhesive label that does not dry at room temperature, but can adhere well to other surfaces when a certain pressure is applied. This type of label is mainly composed of three parts: face material, adhesive and backing paper.

The face material is the outside of the label, and the most common ones are various types of paper or plastic film, on which various graphics and texts can be printed. The adhesive is used to stick to the surface of the product, with good weather resistance, water resistance and chemical stability, and can maintain good adhesion in various environments. The backing paper is used to protect the adhesive to prevent it from drying and being contaminated when not in use, and usually has good waterproof and dustproof properties.

The production process of self-adhesive labels is a complex and delicate process that covers multiple stages from raw material preparation to finished product completion. The following are the basic steps for the production of self-adhesive labels:

Raw material preparation:

Self-adhesive materials: including face paper, backing paper and glue, which are the basic components of labels.

Ink: Choose the appropriate ink color and type according to the design requirements of the label.

Auxiliary materials: such as die-cutting plates, printing plates, substrates and other possible decorative materials.

Design and production:

The design department will design the pattern and text of the label according to the customer's requirements.

Make negatives and color samples for use by the plate-making and printing departments.

Plate-making and ink adjustment:

The plate-making staff receives the negatives and color samples, checks the quality, and prepares the printing plate.

The ink adjustment staff prepares the corresponding ink according to the process standards and requirements.

Printing:

The printing worker uses the printing press to print the designed pattern and text on the surface paper.

A variety of printing technologies may be required during the printing process, such as offset printing, letterpress printing, etc.

Die-cutting:

The printed self-adhesive material needs to be cut by the die-cutting machine according to the size and shape required by the order.

Common die-cutting methods include flat die-cutting and round die-cutting.

Inspection:

After die-cutting, the label needs to be fully inspected for quality.

Check the size, shape, material, color, printing effect and adhesion effect of the label, etc.

Waste removal and sorting:

Remove unnecessary parts, such as uncut edges and backing paper.

Sort and pack qualified labels according to order requirements.

Packaging and storage:

Finally, the sorted labels are properly packaged and stored under appropriate conditions for shipment and delivery.

The above steps are the main processes of self-adhesive label production. The entire production process requires precise machine operation, strict quality control, and meticulous process arrangement to ensure that the quality of the final product meets customer requirements.

Due to its unique pasting method and convenience, self-adhesive labels are widely used in food, beverage, medicine, daily chemicals, electronics and other industries, and are important product identification and information transmission tools. By selecting different surface materials and adhesives, and using different printing and processing technologies, self-adhesive labels can be designed and produced to meet various application requirements, such as waterproof, oil-proof, high temperature resistant, tear-proof, re-pasteable, etc.

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