9mm Screw Neck Closures
The 9mm septa produced by Aijiren is used with 9mm screw closures. This septa is made of silicone and PTFE composite pressing. This production method guarantees the quality of the septa, not easy to deform, not easy to break, not easy to fall off, and resistant to high temperatures. To ensure the accuracy of the experiment and ensure the sealing, it is the partner of 9mm screw closures, which is very suitable for the use of 9mm hplc vial in chromatography.