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Knowledge about airless bottles and packaging technology

Views: 102     Author: Site Editor     Publish Time: 2023-02-03      Origin: Site

1. About airless bottles


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


Its design principle is to use the contraction force of the spring to prevent air from entering the bottle, resulting in 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.


The introduction of the airless bottle conforms to the latest development trend of skin care products and can effectively protect the freshness of the product. However, due to the complicated structure of the vacuum bottle and the high cost, the use of vacuum bottle packaging is limited to a limited number of categories of products, and cannot be fully deployed in the market to meet the needs of different grades of skin care products.


While attaching importance to the protection and decoration of skin care product packaging, manufacturers began to focus on the development of skin care product packaging functionality, making the concept of "fresh", "natural" and "preservative-free" worthy of the name.

vacuum bottle

2. Vacuum packaging technology


Vacuum packaging technology is a new concept with absolute advantages. This packaging technology has helped many new brands and new formulas go on the market smoothly. Once the vacuum packaging is assembled, from filling the packaging to the consumer's use process, almost minimal air can enter the container to contaminate or decompose the contents. This is the advantage of vacuum packaging. It provides a safe packaging empty for the product to avoid contact with air and reduce the possibility of changes and oxidation. Especially for the delicate natural ingredients that are in urgent need of protection, it is necessary to avoid adding preservatives. Among the calls, vacuum packaging is more important for extending product shelf life.


Vacuum-packed products are different from standard pumps or spray pumps with common straws. Vacuum packaging uses the principle of separating the inner cavity to squeeze out the contents. When the inner diaphragm moves up to the inside of the bottle, a pressure is formed, and the contents are present in a vacuum state close to 100%. Another way to vacuum is to use a soft vacuum bag, which is placed inside a rigid container. The concept of use of the two is almost the same. The former is widely used and is a very important selling point for brands, because it consumes less resources and can also be considered "green".


Vacuum packaging also provides precise dosage control. When the discharge hole and specific vacuum pressure are set, regardless of the matching head shape, the dosage is accurate and quantitative each time. Therefore, the dosage can be adjusted by changing a certain part, from a few microliters or a few milliliters, all according to the needs of the product.


Product preservation and hygiene are the key values of vacuum packaging. Once the contents are taken out, there is no way to repack them in the original vacuum packaging. Because the design principle is to ensure that every use is fresh, safe, and worry-free, the internal mechanism of our products, there is no doubt about the spring rust, and it will not contaminate the contents.


Consumers' perceptions also affirm the value of vacuum products invisibly. Compared with general standard pumps, sprays, straws, and other packaging components, vacuum packaging is smooth to use, fixed in dosage, and high-end appearance, making it occupy a huge market for luxury products.

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