18mm rubber septa typically refers to a type of closure used in laboratory settings. Rubber septa are often made from materials like silicone or synthetic rubber and are designed to seal containers such as vials or bottles. They are commonly used in applications where a sample needs to be stored or analyzed under controlled conditions.Rubber septa provide an TEMPeffective barrier against air and moisture, preventing contamination and maintaining teh integrity of teh sample. They are commonly used in laboratories for applications such as gas chromatography, liquid chromatography, sample storage, or other analytical techniques.
