In the modern cosmetic industry, glass bottles are not only containers for cosmetics but also communicators of brand image. The spraying process is a common method used to give glass bottles a unique appearance, color, and special effects. Guangzhou PanYue Packing Co., Ltd. will discuss with you all aspects of the spraying process for cosmetic glass bottles, from the definition of the spraying process to the flow of the spraying process, as well as the flow of the spraying process and future trends.

What is the cosmetic glass bottle spraying process?

Spraying: spraying a layer of uniform water-based paint coating on the surface of cosmetic glass bottles with an air gun, the sprayed product is cured after leveling, preheating, and drying the coating, which plays a decorative and protective role for the glass bottles; various spraying effects make the glass packaging bottles realize various effects such as high-gloss, matte, pearlescent, transparent and gradient, etc. The spraying process is used in the application of cosmetics bottles, including inner bottles.

The application of cosmetic bottles includes spraying outside the inner bottle, spraying inside the outer bottle, and spraying the surface of the bottle in several ways.

Spraying outside the inner bottle: spraying the outside of the inner bottle (liner) from the outside and the outer bottle with a clear gap between the intervals.

Outer bottle spray: the inner side of the outer bottle spray painting from the appearance of a larger area. The most classic is the Lancel isolation cream bottle is this treatment, this is the need for the structure of the bottle is a liner.

Outer bottle spraying: is directly in the bottle on the most exterior spraying process.

Spraying process:

Pre-treatment --- degreasing --- dust --- spray paint --- high-temperature curing --- cooling --- packaging

Spraying process in the production of the main problems and solutions:

1. impurities

Particles, fibers, confetti, etc. collectively referred to as impurities, for the protruding material affects the film surface smoothness and gloss, spraying process in the main process of bad. The main sources include adherence to the processed parts themselves, the human body carries, cargo pallet mixing, internal material loss, wear and tear of machinery and equipment. Glass bottle workpiece itself surface oil and dirt. Temperature and humidity deviation is too large, too dry, or too humid, as well as disorderly and chaotic air circulation in the work area.

Solution: Acid washing light bottles; wipe with a dust-free cloth dipped in alcohol, and then wipe again with a dry cloth; blow with an air gun before putting on the bottles; make sure that the electrostatic dust removal gun works properly and adjust the appropriate angle position; control the operating temperature of the paint at 22±3℃ and the humidity at 65±5%, and if there is any abnormality, it needs to be repaired; make sure that all the air supply pipelines and the extractor fan run well, and keep the ground clean to avoid the contamination of the floating dust; Reduce the movement of personnel in the spray booth area;

2. shrinkage

Also known as fish eyes or white spots, etc. The surface of the paint film, starting from a center point, a round depression formed on the surface of the coating, and its edges are mostly arched. There are two kinds of phenomena, one is like a drop of liquid on an oily substrate, shrinking into a ball. There is also a kind of diesel fuel in the wet street to the surrounding dispersion. The glass surface is not clean, the surface contains oil stains, sweat stains, wax and other pollution;

Solution: A. Acid wash light bottle; B. Alcohol comprehensive wipe; C. Avoid contacting the painted surface with bare hands and dirty gloves to ensure that there is no oil, water, silicone oil and other dirt and other attachments on the painted surface.

Future Trends and Market Forecast

With the rapid development of technology and the growing importance of sustainability, the spraying process of cosmetic glass bottles is constantly refreshing its boundaries. In the future, the next generation of coating technologies will focus more on energy efficiency and environmental friendliness, reducing volatile organic compound (VOC) emissions while utilizing renewable or bio-based raw materials. As consumer demand for personalized products continues to rise. Coating processes will shift towards being more flexible and adaptable to small batch customized production.

Conclusion

The spray coating process, an important part of cosmetic glass bottle manufacturing, has turned into a key tool for cosmetic brands to communicate the quality and aesthetics of their products. A well-designed sprayed glass bottle can leave a lasting impression on consumers and enhance your brand identity, thus helping your products stand out from the crowd of skincare brands. If you would like to ask questions about the spraying process or customize your cosmetic packaging, please contact our professional team at Guangzhou Pan Yueh Packaging Products Co!