screw neck caps

Purchasing Aijiren’s 9mm hplc sample bottle requires the purchase of 9mm Screw Cap with Septa. Aijiren’s Caps are made of high-quality polypropylene. You can choose whether to have a center hole cover. The septum uses a double-sided combination of PTFE and silicone. The assembled lid and septum are very convenient for customers to use.

Aijiren provides Cap customization services. Customers can customize Cap according to their own experimental needs. As long as Aijiren can provide them, Aijiren will try to provide customized services. Today, Aijiren is already a well-known supplier of chromatography consumables in China. Aijiren will continue to work hard to improve itself, broaden its product line, and maintain high-quality production.

When Aijiren produces screw top hplc vial, it will produce matching screw neck PP Cap, and different calibers and different types of vial require different Caps. In this case, new molds need to be polished for Cap production. The worker in the picture is here. For the grinding of the new mold, only the use of a suitable mold to install on an automated production machine can mass produce a suitable PP Screw Neck Cap.

Aijiren’s 4ml threaded sample bottle (13-425) should be matched with 13mm Screw Closures, suitable for Aijiren, Waters, Varian, Shimadzu, PE, Diane and other types of chromatographic autosamplers. The 13mm Screw Closures produced by Aijiren have accurate thread sizes, and the width of the center hole ensures accurate collection by the autosampler. The 4ml transparent screw cap sample bottle (13-425) equipped with 13mm Screw Closures can also be used as a sample bottle and storage bottle.

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.

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.

Polypropylene Screw Cap with Septa – Polypropylene screw cap with precision-fit septa provide an evaporation-proof seal. Bi-layer include silicone and PTFE. Silicone septa for multiple injections. PTFE-lined screw cap for organic samples. Screw caps provide an inert, airtight seal and direct puncture-access to samples with a syringe needle.