The vacuum jar is an innovative cosmetic packaging container in recent years. It is mainly used in day creams, night creams, sun creams, BB creams, eye creams, creams, and skin care products with specific effects - for example, anti-wrinkle essence whitening emulsion, and so on.
Products Description
The biggest advantage of the vacuum tank is that it can ensure that the content inside the bottle can be isolated from the air and prevent the content from oxidizing and deteriorating due to contact with the air, thus breeding bacteria. The special head cap design of the vacuum tank better provides the convenience and sanitation of the original use. The vacuum cans currently used in the market basically consist of a cylindrical container-bottle, a plastic piston inside the bottle, and a pump head at the bottle end.

The working principle of the vacuum bottle is to pump out the contents of the bottle body by pressing the pump head of the bottle mouth. At the same time, the piston inside the bottle body moves upwards inside the bottle body under the action of the external atmospheric pressure, and the internal contents of the bottle body are pumped out. The reduction in the volume of the contents of the rear vial. Our vacuum flasks are currently 15 ml, 30 ml, 50 ml. Moreover, our company is also opening up different styles to attract more customers. The bottle body of the vacuum tank is generally made of AS/PP materials. It can use printing, hot stamping, and other processes to get a good appearance.

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https://www.bi-packaging.com/cosmetic-packaging/airless-jars