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9mm Screw Cap With Septa
https://aijirentechinc.com/aijirenvials

9mm Screw Cap With Septa

Aijiren’s 9mm screw caps are available for autosamplers. These are mostly Closures with a standard center hole. There is also a solid top for sample storage. Aijiren can provide septa and cap separately, and a one-piece polypropylene cap and membrane. These pierceable threaded caps are designed for one-time use, as there is no need to assemble caps and seals, thereby reducing sample preparation time.

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9mm polypropylene screw cap with septa-The polypropylene screw cap with precision septa provides an anti-evaporation seal. Sealing can be achieved by manual operation, and no additional tools are necessary. The double layer septa includes silicone and PTFE. The silicone septa is used for multiple injections and remains unchanged. PTFE Septa is used for organic samples. The central hole of the screw cap provides an inert, air-tight seal and the use of a syringe needle to directly penetrate the sample.

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