Customized Plastic Square Airless Pump Bottle for Lotion Cream in 15ML 30ML & 50ML Sizes

What is a Square Airless Bottle?

It is an airless dispensing system housed in a square or rectangular-shaped outer container. Like all airless packages, it protects the contents from air, light, and contamination, but its square shape offers distinct visual and practical advantages.

How It Works (The Mechanism)

The technology inside is identical to a round airless bottle:

1. Internal Piston/Bag: Inside the square outer shell, there is a collapsible bag (or a piston with a follower plate) that holds the product.

2. Vacuum Pump: When you press the pump, it creates a vacuum.

3. Piston Movement: This vacuum causes the piston at the bottom to rise steadily.

4. Product Dispensed: The rising piston pushes the product up and out through the dispenser nozzle. No air enters the chamber, ensuring the product remains pure and stable.

The square shape is just the outer casing; the internal mechanism that moves the piston is designed to fit and function perfectly within that square footprint.

Yuyao BILL Sprayer Co.,Ltd is a professional manufacturer specialized in the production of various kinds of mini trigger sprayer, prefume sprayer, pet bottles and any other comestic packaging products. Now we have a complete set of technology and equipment, including full automatic injection machines and full automatic assembling equipment line, to ensure the production to reach 4000000 ,even more each month. Then the professional spectors to check each process during the whole production to ensure the quality of every product have no any problem, some process with professional testing machines.

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