The glass bottle has good chemical stability and is not easy to react with the contents; it has good transparency, and can add iron, cobalt, chromium and other colorants to the raw materials to produce glass bottles of various colors (such as amber glass, green glass, blue and white glass, Cobalt blue glass, opal glass, opal glass); good heat resistance and not easy to deform; high compressive strength, resistance to internal pressure; high density and weight (suitable for higher-end cosmetic packaging); barrier properties, hygiene and Good preservation, easy to seal, tightly sealed again after opening. However, at the same time, glass bottles have poor impact resistance, fragility, high filling costs, and complicated molding processing, which limits the application of glass bottles. Glass bottles are often used for packaging high-end cosmetics or some special cosmetics.
Benefit from the rapid growth of high-end skin care products and the large demand for glass products. In addition, cosmetic packaging bottle manufacturers should also seek development opportunities in emerging markets and constantly update their products to meet customer requirements. The cosmetic bottle manufacturer has experienced a difficult and slow growth in recent years, and with the high pressure of environmental protection since this year, it can be said to be difficult.
The surface state, composition and structure of the glass cosmetic bottle are quite different from the internal composition and structure. The surface properties of the glass bottle have a significant impact on its main properties. The chemical stability of glass actually depends on the chemical stability of its surface. The mechanical strength and impact resistance of glass are also determined to a large extent by the shape and structure of the glass surface. Therefore, the surface treatment of glass is one of the important technical means for manufacturing high-strength and lightweight glass containers.
The purpose of the surface treatment of the glass cosmetic bottle is to change the chemical stability of the container surface and eliminate the damage on the glass surface, so as to achieve the purpose of enhancement. The main methods include adding coating when making bottles, physical strengthening, chemical strengthening, surface acid treatment, plastic coating, etc.
The high end of the glass cosmetic bottle stems from its visual impact and texture. Compared with other packaging materials of plastic bottles, glass cosmetic containers have more texture and heaviness, which can draw people’s hearts closer to the high-end products. Lightweight packaging like plastic bottles is not conducive to highlighting the heavy feeling of the product. In addition, the appearance of the glass cosmetic container can be subjected to many post-processing, such as frosting, spraying, baking, etc. These post-processing techniques can quickly improve the appearance of the glass cosmetic container and make the glass cosmetic container more artistic and sensual. Improved temperament.