What is the viscosity of BOPP synthetic label paper?

The viscosity of BOPP (Biaxially Oriented Polypropylene) synthetic label paper mainly depends on the type of adhesive used, coating process, and storage and usage conditions. The following is a detailed analysis of the adhesion of BOPP synthetic label paper:

1、 Adhesive type

BOPP synthetic label paper typically uses various types of adhesives, including regular adhesives, strong adhesives, and adhesives customized according to specific label requirements. The adhesive strength of these adhesives varies and can be selected according to specific application scenarios.

2、 Coating process

The coating process of adhesive on BOPP film can also affect its viscosity. Factors such as coating uniformity, coating amount, and adhesion between adhesive and film can directly affect the adhesive performance of label paper. High quality coating technology can ensure that the adhesive is evenly distributed on the film, thereby improving the adhesive stability and reliability of the label.

3、 Storage and usage conditions

The viscosity of BOPP synthetic label paper is also affected by storage and usage conditions. If the label paper is subjected to adverse conditions such as high temperature, high humidity, or direct sunlight during storage, it may cause the adhesive to age or fail, thereby reducing the stickiness of the label. Similarly, improper handling of label paper during use (such as excessive bending, folding, or tearing) may also affect its adhesive performance.

4、 Methods to improve viscosity

Choose the appropriate adhesive: Select the appropriate adhesive type based on the specific application scenario to ensure that the label paper has sufficient adhesion.

Optimize coating process: Improve coating uniformity and coating amount, ensure good bonding between adhesive and film, thereby increasing the viscosity of label paper.

Pay attention to storage and usage conditions: Store the label paper in a cool, dry, well ventilated environment, avoiding high temperature, high humidity, and direct sunlight. During use, avoid excessive bending, folding, or tearing of the label paper to ensure its adhesive stability.

5、 Application scenarios

Due to its excellent physical properties and chemical stability, as well as good printing adaptability, BOPP synthetic label paper is widely used in various fields. For example, in daily chemical products, BOPP label paper is often used for decoration and labeling of bottles or cans, providing brand information and product characteristics. In these application scenarios, the adhesion of label paper is crucial as it directly affects the adhesion and durability of the label.

In summary, the adhesion of BOPP synthetic label paper is a complex issue that is influenced by multiple factors. By selecting appropriate adhesives, optimizing coating processes, and paying attention to storage and usage conditions, it is possible to ensure that label paper has sufficient viscosity to meet the needs of various application scenarios.