Blood collection tubes often contain additives to preserve the sample or prevent coagulation. The rubber stopper must be compatible with these additives, which can be classified based on their chemical composition and the specific requirements of the additive solution.

The size and volume of the blood collection tube also play a role in the classification of rubber stoppers. Stoppers are designed to fit specific tube sizes and volumes, ensuring a proper seal and compatibility.

Some stoppers are classified based on their specialized applications, such as:

a. Vacuum Blood Collection Tubes: These stoppers are designed to withstand the pressure changes associated with vacuum collection systems.

b. Gel Separation Tubes: These stoppers are compatible with tubes that contain a gel barrier to separate plasma from cells during transport.

The classification of medical rubber stoppers for blood collection tubes is a complex process that involves material composition, closure mechanisms, sterility, additive compatibility, tube size, and specialized applications. Understanding these classifications is essential for medical professionals to select the appropriate stopper for their specific needs, ensuring the integrity and safety of blood samples. As the medical field continues to evolve, so too will the advancements in stopper technology, further enhancing the reliability and efficiency of blood collection and analysis.

https://www.klstopper.com/product/pharmaceutical-rubber-stopper/lyophilization-freezedried-butyl-rubber-stoppers.html
Provides special chlorobutyl rubber formula for good compatibility
With pharmaceuticals Special treatment process and the most stringent process control ensure the cleanliness of the rubber stopper
Microbiological testing is to ensure the safety of rubber stoppers