The vacuum bottle pressure pump has no suction pipe, which can completely isolate the inner material from the air, avoid the product from oxidative deterioration and bacteria growth due to contact with air, and improve the product grade with its high-tech concept. The vacuum cosmetic bottle that is used in the market consists of a cylindrical ellipsoidal container with a piston placed at the bottom.
Its design principle is to use the contraction force of the spring, and not let the air enter the bottle, causing the vacuum state, and use the atmospheric pressure to push the piston of the bottom of the bottle to advance. The vacuum bottle is filled by a vacuum filling machine.
A vacuum filling machine is a machine that fills in a bottle at a pressure lower than atmospheric pressure, uses a continuous vacuum suction to draw the product into a container, and its continuous suction is a vacuum pump connected to a vacuum chamber and a special filling valve. produce.
The process of filling cosmetics is not a vacuum environment. After the cosmetic products are filled into the container, the gas will be pumped away through the machine, so that the bacteria lose the hotbed of production. However, whether or not bacteria enters depends on the manufacturing process of the cosmetics and the preservation status during use.
Therefore, vacuum perfume bottles have very high requirements for the professionalism of the manufacturer.