According to the sealing principle of aluminum cap bottle cap, it can be divided into flat pressure seal and side wall seal.
There are generally two ways to seal the bottle cap. One is the compression seal with elastic material between the two,
Anodized aluminum caps are relatively widely used. On the one hand, they are widely used in cosmetic bottle packaging,
Cover the matching control bottle and rubber stopper that meet the company's quality standards with an aluminum-plastic cap.
Objective: To establish a standard procedure for the inspection of aluminum-plastic caps in order to control the quality of incoming aluminum-plastic caps.
The fillet at the heel of the bottle should be appropriately large. In this way, the contact surface of the bottom of the bottle is reduced,
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