
Airless Bottle 100 Ml
Airless pump bottles are designed to isolate sensitive formulations and restrict exposure to air to prevent oxidation and deterioration, as well as avoid introduction of bacteria. For this reason, airless pump bottles are designed differently to standard pump bottles, featuring an integrated piston mechanism that prevents the creation of air cavities. Airless pump bottles feature an internal diaphragm which houses a piston mechanism, with a small plastic disc that is placed at the base of the bottle prior to filling. As the pump is depressed by the user, the disc rises upwards, pushing the product up and out through the dispensing nozzle. This avoids the creation of gaps which can fill with air.
Description
Shaoxing Jinsheng Plastic Co., Ltd. is one of the most professional airless bottle 100 ml manufacturers and suppliers in China, also supports customized service. Please feel free to buy cheap airless bottle 100 ml in stock here from our factory. Contact us for free sample.
Company Profile
Shaoxing Jin Sheng Plastic Industry Co., Ltd. was founded in 2003, the company specializing in the production of cosmetics plastic packaging, for the global high-end cosmetics manufacturers comprehensive service. According to the needs of different customers, complete the product design, development, mold making, injection molding, UV spraying, bronzing, silk screen, assembly and final product. The main products include acrylic bottles, vacuum cream bottles, vacuum bottles, emulsion pumps and other products: materials used for PMMA, SAN, ABS, PETG, PCTA and PP and so on.
Why Choose US
Our factory
Shaoxing jin sheng plastic industry co., ltd. Was founded in 2003, the company specializing in the production of cosmetics plastic packaging, for the global high-end cosmetics manufacturers comprehensive service.
Production market
The market is mainly china, europe, america, australia, japan and south korea
Achievements: Cooperation brands include AVON/ FILORGA/ ENTY BEAUTY/ TATCHA/ HUAXIZI/ KAZILAN, etc.
Production equipment
Injection machine/ibm machine/ ebm machine/ metallized line/ spray uv line/auto hot stamping machine/auto silk screen printing machine/ auto assemble machine/ lasel machine/ hot transfer machine/ quality test machine /tooling machines(milling,radial drilling,lathe,grinding, electrical discharge, cnc, wire cutting).
Our service
Pre sales: Provide free product consultation, product design scheme, assist customers in testing, and communicate prices.
In sales: Provide follow-up of production status.
After sales: Follow up the product quality problems after the customer receives the goods.
The pump bottle 30ml is an innovative and popular product in the cosmetics industry. Designed to keep your favorite beauty products safe and fresh, these pump bottles provide an efficient and convenient way to dispense your skin care and cosmetics.
Used to fill foundation, essence, cream, lotion, moisturizing cosmetics and other skin care products. Does not contain any harmful chemicals, safe and secure!
Its bottle has no air holes, which can completely block the entry of outside air. This bottle design can protect the product inside from external contamination and oxidation as much as possible, and reduce waste caused by air intrusion during use.
Vacuum travel bottles are a very beautiful and stylish way to do it. There are many different types of thermos bottles on the market now, which can be matched with different travel themes, such as seaside style, wild mountains and forests, etc.
The vacuum square bottle is an innovative packaging design with many advantages. Firstly, its unique appearance and square shape make it more attractive in the market. Secondly, the bottle uses advanced air compression technology, which can effectively protect the product from contamination and oxidation.
Is an easy-to-use and functionally advanced method of packaging cosmetics. Due to their unique design, cream and powder cosmetics can avoid contact with air, thereby reducing oxidation, pollution and other problems, thus extending the service life of cosmetics.
Metal vacuum pump bottle is a high-quality cosmetic packaging container. Our pump core is made of metal, and the bottle is made of PP material, with high surface gloss and good texture. People can feel its high-end quality at a glance.
Featuring an innovative airless vacuum and strawless design, our airless pump bottles use atmospheric pressure to push a plunger at the bottom of the bottle forward to squeeze out lotion, preventing your liquid from losing potency and freshness.
Vacuum foundation bottle is a cosmetic packaging with many advantages. Not only is it convenient for beauty lovers, it also saves us time and money. Another advantage of using vacuum bottles is that they are more hygienic, thus ensuring the efficacy of cosmetics.
What is Airless Bottle
Airless pump bottles are designed to isolate sensitive formulations and restrict exposure to air to prevent oxidation and deterioration, as well as avoid introduction of bacteria. For this reason, airless pump bottles are designed differently to standard pump bottles, featuring an integrated piston mechanism that prevents the creation of air cavities. Airless pump bottles feature an internal diaphragm which houses a piston mechanism, with a small plastic disc that is placed at the base of the bottle prior to filling. As the pump is depressed by the user, the disc rises upwards, pushing the product up and out through the dispensing nozzle. This avoids the creation of gaps which can fill with air.
Advantages of Airless Bottle
Hygienic
Product spoilage occurs when it comes in contact with exterior air, dirt, dust, and other pollutants. Airless pump technology prevents contamination by keeping pollutants from reaching the product inside the packaging. The package prevents air or consumers from coming into contact with the product inside of the container until the product is evacuated.
Longer preservation/ freshness
Product efficacy can dictate customer sales. If the product spoils too quickly, consumers will choose a different product that will last longer. Airless packaging helps prolong the freshness of the product by not allowing contact with air. The product is completely sealed inside the jar, bottle, or can. The packaging can also slow or prevent the growth of bacteria that can occur when germs on a person's hands are introduced to the product through manual removal. Airless pumps prevent direct contact with the product.
Metered dispensing
Airless pump technology can allow a specific amount of product to be dispensed at once. This feature allows the user to dispense an exact amount of product with just a few presses of the pump. Metered dispensing helps lower the amount of product waste by dispensing an exact amount of product with each pump.
Product evacuation
A common complaint with standard dispensers is that they cannot push out all of the contents. The product at the bottom of the container remains inaccessible due to the length or shape of the container. Any product with a thicker consistency will be difficult to remove manually resulting in product waste. However, with the technology of airless pump dispensers, users get nearly 99+% evacuation of the product, effectively reducing product waste.
Convenience
The convenience of airless pump technology is that it can be used in any position. The container can be held upright, sideways, or sometimes even upside-down, and still operate effectively. Another feature is its 360-degree dispensing capability which makes this particularly convenient for lotions.

Within the bottle body, there is a piston situated at the base, creating a sealed space between itself and the dispensing nozzle located at the top. The liquid or material is stored within this enclosed space, and when the actuator is pressed, a slight vacuum is generated within the chamber. As a result, the piston is pushed upward by external atmospheric pressure, facilitating the controlled distribution of the stored material through the dispenser.
The key aspect of this technology lies in the precise interaction between the piston and the inner wall of the bottle. It is crucial that this fit is neither too tight nor too loose. If it's too tight, the piston may become immobile, preventing the liquid from being pumped out. Conversely, if it's too loose, there's a risk of leakage.
Consequently, the design of airless bottles is often influenced by the need for consistent and regular packaging shapes, such as circles or ellipses, to ensure the effectiveness of the piston-based vacuum system.
Airless packaging consists of three parts: Base, piston, and pump. These three components may have different configurations based on the output specifications for the product.
Base
The base is the area that houses the piston and the pump. A small hole in the base allows air to be pushed or pulled inside the component.
Piston
Depending on the airless system design, either a piston or bag can be found between the product and the base of the container. A piston is more commonly used with airless pump technology. The piston acts as a squeegee against the sidewalls within the packaging. The consumer depresses the actuator which allows air to enter the base, moving the piston upward and pushing the product out of the actuator. A similar effect is achieved with designs utilizing a bag instead of a piston.
Pump
The pump creates the vacuum effect that passes through the base.
Popular airless technology
Airless pump technology can be used with aluminum cans, plastic bottles and jars. There are several types of airless bottle designs depending on how the product needs to be dispensed.
Bag in bottle
The bag-in-bottle will have a collapsible bag inside the bottle. The product is filled into a collapsible bag. The airless pump dispenser becomes activated as the bag collapses. In this design, no air comes into contact with the system as a vacuum effect causes the bag to fold in on itself. The bag may be placed inside plastic bottles or jars.
Bag in bottle airless pump design
Piston system
In a piston system, pressure is created to push up against the product. When the pump is activated, the pressure raises the piston causing the plate to push the product through the dispenser cap or opening. Piston systems are commonly used in luxury cosmetics and skincare products. However, this system limits the packaging shape and is a less sustainable option.
Bag on valve
For a bag on valve (bov) system, the product is contained inside a foil bag with a valve attached. Air or nitrogen propellant remains inside the product packaging, but outside of the foil bag that holds the product. To activate the airless packaging, the pump is pressed and the product is squeezed out of the bag by the propellant. As the air or nitrogen fills the open space, the foil bag becomes compressed and pushes the product from the can or bottle. The bov system is commonly used with aluminum cans and plastic bottles for aerosol-type products, but a very specific grade of plastic is required to withstand the pressure exerted onto the bottle.
Types of Airless Pump Bottle
Twist-Up Airless Bottle: By twisting the bottle, the actuator is revealed, and users can then press down to dispense the desired amount of the product. Once done, they can simply turn the bottle in the opposite direction to conceal the pump.
Airless Press Pump Bottle: Airless press pump bottles have a pump mechanism on the top that you press down to dispense the product. This action creates a vacuum that pushes the product upwards, preventing air from entering the container.
Round Airless Bottle: Round airless bottles come in a traditional cylindrical shape. They are available in various sizes and are commonly used for a wide range of skincare and cosmetic products. They can have different dispensing mechanisms, such as twist-up or press pump.
Square Airless Bottle: Square airless bottles have a square or rectangular shape instead of the traditional round design. They offer a unique and modern appearance and are often chosen for high-end cosmetic products.
Dual Airless Chamber Bottle: Dual airless chamber bottles consist of two separate chambers within the same bottle. These chambers can be used to store two different products, which are typically dispensed simultaneously or separately through different dispensing mechanisms. For example, one chamber could hold a moisturizer, and the other could contain a serum, both protected from air exposure until use.
Necessary Conditions for Vacuum Pump Bottles

Clear the Airway
The air needs a pathway through the base cap to push the piston. A blocked air hole due to stickers or obstructions can disrupt the bottle's performance. Keeping it clear is vital for a successful airless pump bottle.

Bubbly Filling
Air bubbles in the formula can create issues similar to underfilling. Ensuring a bubble-free formulation during filling is crucial to maintain proper functionality.

Full Filling
Adequate filling is essential. When the pump dispenses the product, it initiates piston movement through suction. If the bottle is underfilled and the pump can't cover the formula properly, incomplete suction can lead to a subpar user experience.

Pre-Production Testing
Before mass production, conduct a thorough test to ensure your product is suitable for airless packaging. Formula thickness matters, as highly viscous formulations may not smoothly replace dispensed space, while thin formulas may lead to leakage.
Choosing the Right Airless Bottle Capacity
Determining the Right Capacity
Calculating the ideal bottle capacity involves a simple yet precise methodology:
Define Dosage:
Typically in a 15 ml to 50 ml bottle, 1 dose = 0.21ml, on the other hand 50 ml to 150 ml bottle, 1 dose = 1.0ml.
For skincare applications like serums or moisturizers, customers generally apply the product twice daily.
Monthly Application Calculation
Determine the dosage needed per day.
Multiply the daily dose by the number of days in three months (standard: 90 days).
Adjust for the twice-daily application.
For Example: If the daily dose calculation yields 19ml, accounting for two applications daily over 90 days results in a required capacity of 38ml, suggesting a 50ml airless bottle.
The Influence of Bottle Cap Design on the Sealing Performance of Plastic Cosmetic Bottles
Bottle cap design plays a vital role in ensuring the airtightness of plastic cosmetic bottles. They are not just simple lids, but carefully designed seals designed to prevent leaks and product spoilage.
The type of bottle cap has a direct impact on sealing. Different bottle cap types use different sealing mechanisms. For example, screw caps rely on thread engagement to form a seal, while push caps use gaskets or seals to achieve the sealing function. Additionally, spray pumps are also a common type of bottle cap and they use a piston or valve mechanism to dispense the product. The accuracy of these pistons or valves and the performance of the seals all affect sealing performance.
In addition to cap type, cap material is also an important factor affecting sealing performance. Flexible and chemically resistant materials such as polyethylene (pe) and polypropylene (pp) can form a tight seal, while metal bottle caps provide excellent sealing properties but cost more.
Gaskets and seals are also integral parts of bottle cap sealing. They are usually made of rubber, silicone or other elastic materials and are used to fill the gap between the bottle body and cap to prevent leakage. The shape, size and material of the gasket all have an impact on sealing performance.
In addition to the above factors, the fit between the bottle cap and the bottle body is also the key to sealing. The inner diameter of the cap and the neck diameter of the bottle must match to ensure a tight fit. If the tolerance is too large or too small, it will result in a poor seal.
In addition, some plastic cosmetic bottles need to be child-proof to prevent children from accidentally opening them. However, this design also affects sealing performance and requires careful consideration.
In addition to the above factors, there are other bottle cap design factors that may affect the sealing performance of plastic cosmetic bottles. For example, the shape of the bottle cap will affect its fit with the bottle body and sealing performance. The surface texture of the bottle cap also affects friction and therefore sealing performance. In addition, the color of the cap may also affect its sensitivity to light and thus the performance of the seal.
What Is the Filling Process of Cosmetic Airless Bottles
The airless bottle pressure pump has no suction tube, so that the inner material can be completely isolated from the air, avoiding the oxidation and deterioration of the product due to contact with the air, and the breeding of bacteria, and its high-tech concept enhances the product level. The airless bottle in the market is composed of a cylinder into an ellipsoid container and a piston placed 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 airless state, and to use atmospheric pressure to push the piston at the bottom of the bottle forward.
The airless bottle is filled by a airless filling machine.
The airless filling machine is a machine that fills the bottle under the pressure lower than the atmospheric pressure. It uses continuous airless suction to draw the product into the container. The continuous suction is a airless pump connected to a airless chamber and a special filling valve. Produce.
The process of filling cosmetics is not in a airless environment. After the finished cosmetics are filled into the container, the gas will be pumped away through the machine, making the bacteria lose the breeding ground for production. However, whether there are bacteria entering depends on the production process of the cosmetics and the preservation conditions during use.
The airless filling machine is a machine that fills the bottle when the pressure in the bottle is lower than the atmospheric pressure. It uses continuous airless suction to pump the product into the container. Its continuous suction is composed of a airless chamber and a special filling valve. The connected airless pump produces. The general process is: Boxes with empty bottles are stacked on pallets, sent to the pallet unloading machine by the conveyor belt, the pallets are unloaded one by one, and the boxes are sent to the unloading machine with the conveyor belt, and the empty bottles are taken out from the box. The empty boxes are sent to the box washing machine through the conveyor belt, cleaned, and then transported to the boxing machine to load the bottles with beverages into them.
The empty bottles taken out from the unloading machine are sent to the bottle washing machine for disinfection and cleaning by another conveyor belt. After being inspected by the bottle inspection machine, they enter the filling machine and capping machine after meeting the cleaning standards. The beverage is filled into the bottle by the filling machine. The beverage bottles are capped and sealed by the capping machine and transported to the labeling machine for labeling. After labeling, they are sent to the cartoning machine to be put into the box and then sent to the stacker and pallet machine to be stacked on the pallet and sent to the warehouse.
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