Nowadays, some cosmetic bottles used by people use a squeezing cosmetic vacuum bottle, which can be easily pressed by using it. The airless bottle is composed of a cylindrical and ellipsoidal container and a piston at the bottom. Its design principle is to use the contraction force of the spring and prevent air from entering the bottle, creating a vacuum state, and use atmospheric pressure to push the piston at the bottom of the bottle forward. Is a major category of packaging materials in cosmetics.



If the cosmetic vacuum bottle is squeezed, then you need to have a better choice of the bottle material. It should not be easily broken. It can be selected from plastic materials, not easy to break, and the pressure it is subjected to. Strong. Generally speaking, the bottles containing cosmetics will have a freely moving site inside the bottle, and then they will slowly move upwards during use. When the contents of the bottle are almost used up, the tray will Closer to the top of the bottle.


Open the lid again, and then push the removable tray underneath. Rinse the bottle many times, because skin care products need to be clean, and then you can put in cosmetics. If the pressure is not enough, you can try Press it a few times, and then you can squeeze out the cosmetics easily.



Appearance: The cosmetic container vacuum bottle and lotion bottle cap should be complete and smooth, without cracks, burrs, deformation, oil stains, shrinkage, clear and full threads; the vacuum bottle and lotion bottle body should be complete, stable, smooth and clean, smooth and smooth , Full thread, no burrs, holes, no obvious scars, stains, deformation, no obvious misalignment of the mold line. Transparent bottles should be clear and clear.



Outer packaging: The packaging carton must not be dirty and damaged. The inside of the box should be lined with plastic protective bags, and the easy-to-scratch bottles and caps should be packed to avoid scratching. Each box is packed in a fixed quantity and sealed in an "I" shape with tape. Do not mix them. Each shipment is accompanied by a factory inspection report, and the contents of the outer box, such as the name, specifications, quantity, production date, and manufacturer, must be clearly legible.



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