Material: Septum stoppers are typically made from various types of rubber or elastomeric materials, such as butyl rubber, silicone rubber, or natural rubber. The choice of material depends on the application and the chemicals or substances the stopper will come into contact with.
Size: Septum stoppers come in various sizes to fit different types of containers or vials. Common sizes include 13 mm, 20 mm, and 30 mm. The size is usually specified by the inner diameter.
Thickness: The thickness of the rubber can vary, and thicker septum stoppers may be used for applications where increased puncture resistance is required.
Compatibility: The rubber material is compatible with the chemicals or samples it will come into contact with.
Puncture Resistance: Septum stoppers need to be puncture-resistant, as they are often pierced by needles or probes for sampling or injecting substances. The thickness and quality of the rubber can affect puncture resistance.
Temperature Range: Ambient Temperature.
Chemical Resistance: Rubber septum stoppers will be resistant to degradation or swelling when exposed to the chemicals commonly used in the laboratory.
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