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Knowledge of the cosmetic bottle packaging

Views: 75     Author: Site Editor     Publish Time: 2021-07-20      Origin: Site Inquire

The contents of the airless bottle can be completely isolated from the air to prevent the product from being oxidized and deteriorated and the growth of bacteria due to contact with the air, and the high-tech concept is used to upgrade the product. The vacuum bottle in the market is composed of a cylinder into an ellipsoid container and a piston at the bottom.

 

bottle


Its design principle is to use the contraction force of the spring to prevent air from entering the bottle, creating a vacuum state, and to 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 not be able to move forward due to excessive resistance; on the contrary, if the piston is to move forward easily and easily leak material, Therefore, airless bottles have very high professional requirements for manufacturers.


AS is not high in hardness, relatively brittle (a crisp sound when tapped), transparent color, and the background color is blue, can directly contact with cosmetic bottles, food, in ordinary lotion bottles, airless bottles are generally bottle bodies Material, can also make small-capacity cream bottles. Transparent BS belongs to engineering plastics, which is not environmentally friendly and has high hardness. It cannot be directly contacted with cosmetic bottles and food. 


In acrylic cosmetic bottle packaging materials, it is generally the material of the inner cover and shoulder sleeve. The color is yellow or milky white. BS belongs to engineering plastics, which is not environmentally friendly, has high hardness, and cannot be directly contacted with cosmetic bottles and food. In acrylic cosmetic bottle packaging materials, it is generally the inner cover and shoulder sleeve material. The color is yellow or milky white.

 

bottle


PET is an environmentally friendly material that can be directly contacted with cosmetic bottles and food. It is the main material for filling organic skin care products. The PET material is soft, and its natural color is transparent. PCTA and PETG are environmentally friendly materials. It can directly contact cosmetic bottles and food. The main material for filling organic skin care products is soft and transparent. PCTA and PETG are soft and easy to scratch. And it is not often used to print pictures.


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