Cosmetic packaging plastic cover
Release time:
2024-04-10
Plastic cover is an important part of daily chemical and food packaging, and it is also the place where consumers begin to contact with products. The plastic cover has the ability to keep the contents of the product airtight performance, but also has the function of anti-theft opening, so it is widely used in the daily chemical, food, beverage, wine, chemical industry, pharmaceutical industry packaging products!
Screw cap (screw cap) is mainly connected and sealed by rotating the threaded structure of the cap itself and the threaded structure of the container. Thanks to the advantages of the thread structure, when the screw cap is tightened, a relatively large axial force can be generated through the engagement between the threads, which is very convenient to realize the self-locking function, and the sealing is very strong. Generally, products with high sealing requirements will be sealed with a screw cap.
The characteristics of the screw cap: by rotating the cover, tighten or loosen the cover
Advantages: strong self-locking ability, the lid is not easy to be unplugged
Cover axial force uniform, conducive to sealing.
Since the development of plastic covers, their role is no longer limited to packaging and sealing. More often, brand owners are more interested in selecting or designing and producing new and strange cover types that are rare or not in the market to highlight their brand characteristics.
However, the new and peculiar cover type is no longer controlled by a single-layer rotary cover, so a double-layer or even multi-layer combined rotary cover has been developed subsequently.
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