In the cosmetics industry, airless pumps have been widely used because they effectively prevent air and impurities from entering the container, thereby maintaining the freshness and quality of cosmetics. However, temperature, as one of the key factors affecting the performance of cosmetics and their packaging, also has an important impact on the performance of airless pumps.

The direct effect of temperature on the stability of cosmetics cannot be ignored. The ingredients in cosmetics may undergo physical or chemical changes at different temperatures, such as oil-water separation, color change, and viscosity change. These changes not only affect the appearance and texture of the product, but may also reduce its effectiveness. For airless pumps, changes in the viscosity of cosmetics may affect the pumping efficiency and uniformity of the pump. When cosmetics become thinner at higher temperatures, airless pumps may need to apply more force to extract the same amount of product, which will lead to accelerated wear and performance degradation of the pump.

In addition, the impact of temperature on the internal mechanical parts of airless pumps is also significant. Airless pumps are composed of a series of precision mechanical parts, including pump bodies, pistons, springs, and valves. These parts are designed and manufactured with a specific temperature range in mind. Once the temperature of the working environment exceeds this range, it may cause deformation, wear or failure of the parts. For example, high temperatures may cause plastic parts to soften, reducing their strength and sealing; while at low temperatures, the shrinkage of metal parts may increase friction and wear, affecting the overall performance of the pump.

Temperature also significantly affects the performance of lubricants (such as oil or grease) inside airless pumps. The main function of lubricants is to reduce friction and wear between mechanical parts and improve the operating efficiency and service life of the pump. As the temperature rises, the viscosity of the lubricant usually decreases, which will directly lead to a decrease in its lubrication performance, which may generate more noise and vibration during the operation of the pump, and even cause failures. In low temperature environments, lubricants may become viscous, increase the starting resistance of the pump, reduce its response speed, and affect the user experience.