The manufacturing process of syringe pistons includes molding, extrusion, and injection molding. High-quality pistons typically employ precision molds and strict process control to ensure dimensional accuracy and surface smoothness. Furthermore, surface treatments (such as siliconization) can further reduce the coefficient of friction and improve smoothness of use.
In the medical field, sterilization of syringe pistons is also a crucial step. Common sterilization methods include autoclave sterilization, ethylene oxide (EO) sterilization, and gamma ray sterilization. Different sterilization methods have varying effects on piston materials, requiring the selection of an appropriate method based on specific needs.
Syringe pistons are also widely used in protein purification systems, particularly in high-precision experiments requiring precise control of liquid flow. These pistons typically require higher chemical resistance and dimensional stability to ensure the accuracy and repeatability of experimental results.
In conclusion, although a small component, the syringe piston's quality and performance are critical to the overall effectiveness of the equipment. Selecting a suitable piston requires comprehensive consideration of multiple factors, including materials, design, application scenario, and manufacturing process.