24mm Screw Closures

Aijiren adopts septa’s automated production, which guarantees Aijiren’s batch and efficient production. It is precisely because of this production that Aijiren has become a chromatographic consumable supplier in more than 200 regions around the world. If there is any need for chromatographic consumables, please Contact Aijiren.

Aijiren Technologies is one of the leading manufacturers of automatic sample and hplc glass bottles for USP 1-type glass based in China. We are an ISO 9001:2000-tested company, and the company is also listed. Aijiren has export markets in the United States, the United Kingdom, Germany, Jordan, Iran, Ejitep, Nepal, Thailand, Indonesia, Malaysia and Australia.
In addition to producing HPLC Vials in accordance with ISO standards, Aijiren also manufactures HPLC Vials customized to customer-specific requirements. Our research and development department has been working hard to broaden its product line and develop more products that will make it more comfortable for our customers to buy laboratory supplies.

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.

The Septa produced by Aijiren is suitable for Autosampler Vials. Septa is to help Autosampler Vials to seal. The design of Cap with Septa facilitates the sampling of autosamplers. Aijiren, as a manufacturing enterprise, also requires Autosampler Vial accessories, Cap with Septa. It is produced carefully, using first-class equipment and exclusive craftsmanship. In the picture, Septa is drying.

There are two types of 24mm Screw neck Cap, center hole and closed-top. The cap with center hole can be more convenient for sample injection. The closed top can store samples and has better sealing. It can have its own for 20ml-60ml. Storage range and capacity.

Aijiren¡¯s 2ml clear hplc vial is fully automated. There are 3 production lines in the workshop, which can meet mass production orders. As a professional manufacturer of chromatographic consumables, Aijiren¡¯s products will be sold with matching Cap with Septa, Closures colors and Styles can also be selected.

Aijiren’s 2ml hplc vial adopts a fully automated production method, mass production guarantees a large amount of daily production, Aijiren has 6 vial production lines, and can also be customized for logo or label, scale printing, and closures. Aijiren Provide the option of purchasing vial/cap separately or purchasing vial and cap together.

Aijiren has its own production factory. There are many production machinery and tools in the factory. Aijiren’s assembly line machine production needs to rely on molds with consistent specifications. The screw cap is shaped by pressing high-quality polypropylene into the mold. Aijiren needs to be polished. Molds, customized high-quality molds can guarantee the high standards of product production.

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.

Aijiren produces headspace vials for the convenience of gas chromatographic analysis. Gas chromatographic analysis requires heating and other methods to vaporize the liquid in the vial and extract gas for detection and analysis through an automatic injection needle. Gas chromatograph requires the vial to have good airtightness and heat resistance. With strong stability and large capacity, the crimp top headspace vials produced by Aijiren perfectly meet these conditions.

Aijiren is a manufacturer of chromatography consumables specializing in the production of glass products. Its products include Autosampler Vials, Headspace Vials, Sample Storage Vials, EPA Vials, COD Test Tubes, etc. High-quality glass products ensure that customers can analyze more conveniently Experiment.

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.

The 24mm Screw Cap produced by Aijiren is often paired with 24mm Sample Storage Vial. This type of Vial is used to store samples and sometimes used in autosamplers. For example, 40ml Vial is often called EPA Vial, and the center hole on the Cap is here. It will be useful in time, the sampling tool can easily pierce through the septa for sampling without causing sample contamination.

The worker of Aijiren shown in the picture is inserting a 22mm Silicone/PTFE Septa into a 24mm Screw neck Cap. The worker wears finger cots and holds a tool to press harder to consolidate the tightness of the Cap and Septa. Since Aijiren’s automated merging of Cap and Septa machines is only suitable for the closure of 2ml autosampler vial, this large-volume closure requires manual combination by workers. Aijiren uses a dust-free workshop for production and packaging, so customers can be completely assured of hygiene issues.

Aijiren is a factory specializing in the production of Autosampler Vials, with professional production machinery and equipment and large-scale production factories. It is precisely because of such a strong production base that Aijiren can guarantee the production of large quantities of products. Aijiren has a considerable number of products in stock. The operation of multiple production lines also ensures the timeliness of customer orders.

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.

But for autosamplers with blunt autosampler needles, Aijiren still recommends buying septa with pre-slit, because this can prevent the septa from being pushed into the vial by the autosampler and contaminate the sample. Septa with pre-slit can complete the function of guiding the automatic injection needle.

Aijiren’s 8mm Septa is made of Silicone and PTFE raw materials. Aijiren cuts Pre-slit on Septa for the convenience of customers. The pattern is a font and a cross. The cross-shaped pre-slit septa is the best. It is convenient for the automatic injection needle to puncture. If the customer uses a blunt needle, you can consider buying a cross-type pre-slit septa.

Aijiren currently cooperates with Turkey, Bangladesh, India, the United States, the United Kingdom, Italy, France, etc. 2ml HPLC Vial is often used in chromatographic analysis experiments. The 2ml hplc vial produced by Aijiren can match most chromatographic analysis instruments, including gas chromatography. You can also use 2ml hplc vial.

The PTFE layer of Aijiren’s 20mm PTFE Septa composite diaphragm is in contact with the reagent. It is chemically inert, resistant to acids, alkalis, temperature and adhesion. Even at high temperatures, it cannot work with concentrated acids, alkalis or strong oxidants. At the same time, the elasticity of the silicone rubber or silicone layer can ensure the sealing performance; Aijiren abides by strict production management to ensure the quality of the product. The product is clean and can be used directly without washing.

Aijiren’s factory is established in Quzhou, Zhejiang, which is close to the river and developed by land and water. Usually, Aijiren will notify the relevant freight forwarding company to pick up and deliver the goods after the production is completed. Generally speaking, the shipment can be completed within 3 days after the production is completed. , The next step is the time for water transportation. If the demand is not particularly large, then customers can consider express or air freight, which will be faster.

Aijiren adopts the latest production technology. The fully automated production line can meet mass production. Sample Storage Vial has undergone strict quality inspection during production. Any vial that fails the quality inspection will be returned for reprocessing. Aijiren has its own quality inspection. The system and design laboratory will always strive to bring more updated products and better product experience to customers.

Aijiren has its own production workshop. In order to ensure the cleanliness of the inside of the production workshop, Aijiren has established a sanitary standard for a dust-free workshop. Employees entering the workshop need to change into uniforms. Before entering the workshop, dust must be removed inside the dust removal bellows to ensure Without bringing external dust into the workshop, the staff of Aijiren in the picture removes dust in front of the dust removal bellows.

Aijiren’s septa can choose whether to have pre-slit or not. The pre-slit pattern is divided into one-shaped and cross-shaped. The septa with pre-slit is better to be pierced, especially for blunt automatic injection needles. , The cross star pre-slit septa can guide the automatic injection needle to accurately enter the vial to suck liquid, and will not deviate from the direction and cause the automatic injection needle to poke on the vial and cause the via to rupture.

The Headspace Vials produced by Aijiren have two different calibers, one is Crimp Neck and the other is Screw Neck. Aijiren uses borosilicate hydrochloric acid glass to make Headspace Vials, because the borosilicate hydrochloric acid glass can ensure the stability of the reagent when it is inside the Vias. And it can also ensure the safety of Vials itself. The borosilicate glass used by Aijiren is resistant to high temperature, not easy to break, not easy to burst, and easy to use.

Aijiren Provide ODM OEM service
the custom logo can be printed on the vials in printing workwhop
through plate making, printing, High temperature baking, to packing
2-3 times checking during the whole process to make sure high quality

Threaded storage vials have excellent chemical stability, colorless and brown are available, and have excellent sealing and corrosion resistance. This series of products are designed and produced in accordance with the requirements of the US EPA, with good storage properties. The septum and plastic cap are combined together to avoid excessive evaporation and keep the sample vial properly sealed.

Aijiren uses Silicone and PTFE to produce Septa suitable for Autosampler Vial. Aijiren will compound PTFE and Silicone together in a binder-free compounding method. This Septa is softer and suitable for automatic injection needle puncture. Before laser cutting, there is a process, which is to dry in the dryer to dry the moisture in the raw materials, so as to ensure the texture and application of Septa.

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.

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.