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Make cosmetic packaging even more beautiful.
2021.06.26
How much do you know about cosmetic packaging bottles?
In the cosmetics industry, thanks to the distinctive designs of perfume bottles, there are quite a few consumers who end up buying the box rather than the contents. Such unique designs indeed leave a stronger impression on shoppers; consumers—especially women—often develop an emotional attachment to products that feature aesthetically pleasing, eye-catching packaging. Unconsciously, these designs make people more willing to spend. Today, cosmetic packaging is predominantly made from glass or plastic, with paper and metal options accounting for a smaller share. We’ll focus primarily on the two main categories: glass and plastic.
The Green Future of Cosmetic Packaging
For a cosmetic product, consumers are undoubtedly concerned about its quality; however, the packaging itself embodies considerable effort on the part of manufacturers and often accounts for a significant share of the product’s price. Taking 2015 as an example, the Chinese cosmetic packaging market was valued at approximately RMB 25.67 billion. In the first quarter of 2016, the market reached RMB 6.69 billion, with operating revenue of RMB 5.46 billion and total profits of RMB 330 million. According to forecasts by the UK‑based business information and consulting firm Visiongain, the global cosmetic packaging market is expected to reach US$32.4 billion in 2016.
Analysis of the PET Plastic Injection Molding Process
PET plastic injection molding is one of the key processes in plastic manufacturing. For PET bottles, most packaging plants typically use blow molding; however, injection molding offers distinct processing advantages. When performing PET injection molding, technicians must consider numerous factors, as outlined below. Introduction to PET Plastic: Chemically, PET is known as polyethylene terephthalate, also referred to as polyester. Currently, most customers use glass-fiber-reinforced PET (GF-PET), which is primarily used for producing preforms.
Alternative to acrylic, PETG/PCTG
ETG/PCTG is a non‑crystalline copolyester (whereas Coca‑Cola or purified water bottles are made from crystalline polyester, commonly known as PET, which is produced via a three‑step injection‑stretch‑blow molding process). During its production, replacing a portion of the ethylene glycol with 1,4‑cyclohexanedimethanol (CHDM) prevents crystallization, thereby enhancing both manufacturability and transparency. The resulting material exhibits high clarity and excellent impact resistance, making it particularly well suited for molding thick‑walled, transparent parts. It can be shaped into virtually any form according to the designer’s vision and is compatible with conventional processing techniques such as extrusion, injection molding, and blow molding. Moreover, PETG/PCTG products offer superior post‑processing capabilities, allowing for modification through standard machining and finishing operations. In addition, this copolyester complies with U.S. FDA food‑contact regulations, making it suitable for use in food‑grade, medical, and hygiene applications.
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