9mm closures

Screw cap vials are universal. When screwing on the cap, a mechanical force is applied that compresses the septum between the rim of the vial and the cap. Screw closures provide an excellent seal and mechanically hold the septum in place during piercing. No tools are required for assembly.

Caps for screw thread vials are available with either an open hole for autosampler use and standard addition or with a solid top for sample storage. One piece polypropylene cap and membrane are also available. These pierceable screw thread caps are designed for one time use and reduce sample preparation time as there is no cap and seal to assemble.

The 9mm Screw Closures produced by Aijiren have many advantages such as high quality, strong adaptability, resistance to cracking, high temperature resistance, chemical resistance, etc. Since 9mm Screw Closures have many different styles and materials, the demand for 9mm Screw Closures is very high. High and diversified options also allow customers multiple choices.

The 9mm Screw Closures provided by Aijiren are made of high-quality PP Cap, and the exclusive special composite process is used to make Silicone and PTFE composite Septa, and the process of combining Cap and Septa is completed by the machine. The 9mm Screw Closures produced by Aijiren are sufficient. Able to complete chromatographic analysis experiments.

Aijiren’s 9mm Screw Cap with Septa is automatically produced by machines. The same batch specifications meet the needs of customers for experiments. And mass production can also meet the orders of customers around the world, and mass orders can also be satisfied. Because of this, Aijiren’s fast shipping speed and good product quality have enabled Aijiren to become a world-renowned supplier of chromatography consumables.

9mm Screw Neck Closures-Polypropylene Screw Cap with two-layer material compound Septa can provide anti-evaporation seal. The double layer includes Silicone and PTFE. This compounded Septa can be used for multiple injections. And it is matched with a PTFE lined screw cap for organic samples. The screw cap provides an inert, air-tight seal and the use of a syringe needle to directly penetrate the sample.

The blue high-quality PP bottle cap of 9mm Screw Neck Closures will be combined with Septa. Aijiren has a unique patented method to combine Silicone and PTFE. Septa produced by this patented method is combined with a chemically inert Cap to avoid excessive evaporation and keep the sample bottle well sealed. It is recommended for short-term storage or liquid chromatography. Aijiren produces a variety of colors of 9mm Screw Neck Closures to choose from to meet different needs.

Aijiren’s Caps all come with Septa, and 9mm Cap is the most popular choice, because 9mm Cap with Vial are Aijiren’s hot-selling products. The screw Neck design ensures the consistency of the seal and the pattern, and the seal is good, and it is convenient for manual operation. The operation meets the needs of laboratory personnel, and the packaging of 100pcs meets the convenience of experimental use.

Aijiren can merge septa and cap, and before the merger, the machine can automatically identify the front and back of septa, silicone and PTFE surface, choose to fix the PTFE side up into the Cap, fully automated production saves a lot of manpower, Aijiren Be able to invest more talents in quality inspection and product development.

Aijiren provides as many product types as possible for every customer who uses chromatography consumables. Among them, 9mm Vial and Closures are one of the most popular choices. Aijiren will continue to work hard to improve product quality and control the monitoring of the production line. Ensure that there are no errors between products.

Aijiren strongly recommends to use only ready-made sealing caps, whose lining matches the bottle cap completely, and has been automatically inserted under strict sanitary conditions.