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Features of leak-proof plastic caps

1. Generally, there is a ring-shaped leak-proof ring on the inner wall of the top of the general leak-proof plastic caps; there are also ordinary plastic bucket covers that need to be matched with the inner cover, so there is no need to design the leak-proof ring;

2. The lower end of the plastic cover is connected with an anti-theft ring through a tension stiffener;

3. At the same time, there are several flaky gyrating pull wings evenly distributed on the inner wall of the anti-theft ring;

The plastic pail lid designed in this way has the characteristics of firm sealing, leak-proof and anti-theft performance, safe and convenient to use, can effectively prevent the liquid in the container from external pollution, and ensure that the packaging of various liquid products meets national safety standards.