Advantages and Characteristics
1. Convenience: The biggest advantage is that it does not require any tools and can be opened with just one pull, providing an excellent user experience.
2. Safety: Compared to traditional crown caps (which require prying open with a bottle opener), pull tab caps reduce the risk of scratching hands due to sharp bottle cap edges. The opening process is more controllable.
3. Re sealability: After opening, the pull tab can be pressed back to its original position and the bottle cap can be screwed on to achieve a certain degree of sealing, making it easier to store unfinished drinks (although the airtightness is not as good as initially).
4. Tamper Evidence: The separated anti-counterfeiting skirt is an intuitive and irreversible anti-counterfeiting mark, ensuring consumer safety and allowing users to easily identify whether the product has been opened.
5. Branding: The top cover provides a flat, high-quality surface that can be used for brand logo printing
Disadvantages and challenges
1. High cost: Its structure and production process are more complex than traditional crown covers, resulting in higher costs and selling prices.
2. Materials and Recycling: Mainly metal products, although recyclable, small parts on the pull tab cover (such as the pull tab) may be torn off and discarded separately during use, causing potential resource waste and environmental problems. However, in the recycling system, aluminum materials have high value and are usually effectively sorted.
3. Sealing limit: For products that require extremely high airtightness to store carbonated beverages (such as beer and soda), although their sealing performance fully meets the standard, theoretically, traditional crown caps have extremely strong airtightness after being compressed.
4. Occasional malfunctions: In rare cases, the pull ring may break due to engraving issues or material defects, making it impossible to open, but this situation is very rare in modern manufacturing
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