VWR Rubber Stopper Diameter 23 mm Green 25 Stoppers

The VWR 59589-212 Rubber Stopper 23mm is a vital component for securely sealing various laboratory containers, ensuring the preservation and integrity of their contents. These stoppers are made from neoprene, a synthetic rubber known for its excellent chemical resistance and durability. Neoprene is particularly resistant to oils, petroleum products, and many inorganic acids and bases, making these stoppers suitable for a wide range of laboratory applications.

These stoppers are solid, meaning they do not have any holes or perforations. This solid design provides a tight and reliable seal, preventing leaks, evaporation, and contamination of the stored materials. The stoppers are green in color, which can be useful for quick identification or color-coding within the laboratory.

The VWR 59589-212 stoppers are designed with good resiliency, allowing them to maintain their shape and sealing properties even after repeated use. They also have a good shelf life, ensuring they can be stored for extended periods without significant degradation. These features make the VWR 59589-212 Rubber Stoppers a dependable choice for sealing various laboratory vessels and maintaining the integrity of valuable samples and reagents.