Mold Customization of Screw Neck Cap

The staff in the picture is disassembling the assembled 9mm Screw Neck Cap with Septa. These are 9mm Screw Neck Closures randomly selected from different machines. Since Aijiren produces more machines, many samples need to be checked. Solution to check whether Septa and Cap are damaged, if they are not sturdy, Septa may fall off or fall off easily. Aijiren’s strict quality inspection guarantees the quality of the product.

24mm Silicone/PTFE Septa is matched with 24mm screw neck cap, suitable for 24mm screw sample storage vial. Aijiren has an exclusive production technology that can compound PTFE and Silicone without adding any adhesives, so Aijiren’s Septa is soft and not easily deformed.

As a factory specializing in the production of chromatographic consumables, Aijiren has hundreds of workers for production, especially Septa. Aijiren has exclusive septa composite technology, so the requirements for the workers in the septa workshop are very high. The workers in the picture are using cutting machines for Silicone and PTFE composite material for cutting work.

Aijiren’s sample storage vials are produced by fully automated machinery. This production method is efficient and consistent in specifications, and it is not easy to make errors. The packaging is a PP box, 100pcs is a box for packaging, the customer should purchase according to the box when purchasing, the minimum order quantity of Aijiren is 10 boxes.

20mm PTFE Septa can overcome the degradation that occurs due to long-term high temperature, because it is very common in silicone rubber septa. Degradation causes baseline drift and extra peaks. Therefore, the 20mm PTFE Septa produced by Aijiren is usually fixed with the PTFE side facing the column packing. For most GC/MS and other high-sensitivity detectors, Aijiren recommends septa materials with the PTFE logo; these are the cleanest and highest performing products. The PTFE septum contains very low levels of contaminants, which minimizes interference with the analysis and guarantees excellent results on all major LC/MS and GC/MS instruments.

Unique dual-track cap and septa combination machine
Double track, double speed, double efficiency

Aijiren uses PP Boxes for packaging. Generally, Aijiren uses 100pcs/pack, and the box has strong anti-impact ability. It is not easy to cause the vial to break during transportation. Aijiren’s 2ml hplc Vial has three different calibers to choose from. Screw, crimp and snap, the openings are divided into 8mm-11mm, many types are convenient for customers to choose.

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 uses a dust-free workshop to produce 9mm closures. The 9mm closures produced in a dust-free workshop have strict quality standards and uniform threads, which guarantee the quality of Aijiren’s products. Aijiren is planning to use product quality to build brand awareness and become a world-renowned supplier of chromatography consumables.

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 provides pre-assembled caps & septa, the dual-track cover pad assembly machine, used for the assembly of vial caps & septa, double tracks can greatly increase production efficiency; the pre-assembled vial closures can greatly reduce your experiment preparation work and improve experiment efficiency

In addition to producing Autosampler Vial, Aijiren is also rich in matching Caps. Usually Caps are made of high-quality polypropylene for use in automatic sample injection vials. Aijiren uses a unified standard to produce PP Caps in an assembly line project to ensure that the Cap lines between batches are consistent and there is no difference. It is convenient for the customer’s laboratory sampling operation.

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 not only produces autosampler vial, but also accessories for autosampler vial. Cap with Septa, especially the production of Cap, needs to be exactly the same as Autosampler Vial. It must also produce different types of Cap with different necks. Aijiren is a high-quality company. Chromatography consumable manufacturers, there is no error between the PP Cap produced, and it can perfectly match Autosampler Vials

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 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 is a production-oriented enterprise with its own production plant and production workshop. Aijiren is committed to producing Autosampler Vial and its supporting Cap with Septa. Aijiren uses high-quality raw materials to produce Septa. The raw materials are free of impurities and pollution. They are processed in a dust-free workshop. Customers can buy with confidence, Aijiren supports factory inspection, welcome to Aijiren.

Aijiren has strict production requirements, meets ISO9001 certification, and the quality of the 2ml amber vial’s raw materials is high, which can protect light-sensitive samples from deterioration due to UV interference.

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.

13mm Screw Neck Closures are made of high-quality polypropylene. The thread shape inside the Cap can fit the automatic sample injection via very well, and it is also compatible with the automatic sampler. The 13mm Screw Neck Closures pre-assembled septum can reduce the chance of contamination during sample preparation and save time in laboratory sample preparation. Aijiren provides septa and slit septa. The normal available cap color is black, but other special colors can also be produced.

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’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.

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.

Aijiren’s 9mm Autosampler Vial, Screw Threads neck fits perfectly with Closures, and the thread seal is also convenient for customers to operate. This type of vial is a hot selling model that can be applied to all models of Autosampler.

The Silicone/PTFE Septa produced by Aijiren uses high-quality raw materials and an exclusive compounding process. This process does not require any adhesives to compound Septa and Silicone to achieve no cracking, no falling off, and a perfect fit for autosampler vial and antosampler.

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 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.

Bule, white, red ptfe material
white, natural silicone material
Sufficient materials for makeing vial septa
Aijiren is professional vial septa maker for hplc gcms vials, sample vials

PTFE/silicone septa are most commonly used in HPLC applications, and pre-cut septa are easier to pierce with a needle. The cap color is generally black, but other special colors can also be produced accordingly. Easy to apply and easy to remove. Pre-installed caps and septa are very convenient. Aijiren 13mm Screw Closures are commonly used in 4ml Screw Top HPLC Vial. Aijiren can recommend the most suitable Closures for your HPLC Vial.

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.