4 things you have to know about cosmetic airless bottle


What is airless bottle Airless bottle refers to a conta […]

What is airless bottle

Airless bottle refers to a container that can isolate the gas from the outside temperature or isolate the external bacteria. Its contents can be completely isolated from the air, to prevent the product from oxidizing and deteriorating due to contact with air, and to breed bacteria, and to upgrade the product grade with its high-tech concept. Airless bottles commonly used in the market are composed of a cylindrical ellipsoid container and a piston placed at the bottom. Its design principle is to use the contraction force of the spring, and not allow air to enter the bottle, causing a vacuum state, and use atmospheric pressure to push the piston at the bottom of the bottle forward. However, because the spring force and atmospheric pressure cannot give enough force, the piston cannot be too tightly attached to the bottle wall, otherwise the piston will be unable to rise and advance due to excessive resistance; otherwise, if the piston is to advance easily and it is prone to leaks, Therefore, the airless pump bottles has very high requirements on the professionalism of the cosmetic packaging manufacturer.


Common airless bottle materials

AS, PP and PMMA are three different plastic materials

AS is harder, PP is softer and is not very suitable for airless bottles.

Acrylic bottles are better and more common. They are better than AS in terms of wear resistance, transparency, and solvent resistance.

How to restore the airless bottle when it is used up?

You can disassemble the pump head first, then poke the tray with a hard object longer than the bottle, then clean it, and then install the pump head, so that the airless pump bottles is restored to the original state and can be reused. Note that during operation, do not block the small eyes at the bottom of the bottle.

Cosmetic airless bottle reduction method: You can first disassemble the pump head, etc., then poke the tray down with a hard object that is longer than the bottle, and the airless bottle will be restored. After the pump head of the airless bottle is restored, the airless bottle can be filled with cosmetics again and reused. However, wash the airless spray bottle before loading. Generally speaking, when the airless bottle is pressed, the bottom tray will run up to squeeze out the contents. When the contents are used up, the tray has already run to the top. Repeated use is to press down the tray that ran to the top, and that's it.

How to open the vacuum pressure bottle

To press the bottle under vacuum, you can first use scissors or other slightly sharpened tools to pry the edge a little and let the air flow in. Pay attention to safety when using tools. In addition, for some special or different product suggestions, look at the opening method marked in the manual, check whether your opening method is correct, or consult a professional and a clerk to open the method.