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COD Test Tube

https://aijirentechinc.com/aijirenvials

COD Test Tube

Made of borosilicate glass. Used for municipal wastewater testing, industrial wastewater and process control testing, and environmental water testing. We can provide you with OEM services, and even...

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Made of borosilicate glass. Used for municipal wastewater testing, industrial wastewater and process control testing, and environmental water testing. We can provide you with OEM services, and even require printing logos and writing marks.

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More Aijiren Vials

20ml headspace vialMicro Vial Insert

Optimize your sample analysis with our Glass Micro Vial Inserts for 2ml HPLC vials! These inserts ensure precision and efficiency in every test. High-quality glass material Perfect fit for 2ml H...

Micro Vial Insert

20ml headspace vial0.22μm 0.25μm HPLC Syringe Filter

Ensure precise filtration in your lab with our **HPLC Syringe Filters! Available in 0.22μm or 0.25μm for high efficiency and reliability. OEM services available Direct from the factory Free s...

0.22μm 0.25μm HPLC Syringe Filter

20ml headspace vialPremium HPLC Syringe Filters – Reliable & Efficient Filtration

Discover Aijiren's high-quality HPLC Syringe Filters designed for precise and efficient filtration. Perfect for laboratory applications, these syringe filters come in a variety of pore sizes and me...

Premium HPLC Syringe Filters – Reliable & Efficient Filtration

20ml headspace vialHeadspace Vial

Ensure accurate and reliable results with our premium headspace vials, available in 6ml to 20ml volumes. Perfect for gas chromatography, these vials are designed for durability and precision, offer...

20ml headspace vialAutosampler Vial

Discover our top-tier autosampler vials, designed for precision and reliability in your analytical testing. Available in both clear and amber glass, these vials feature secure screw caps and PTFE/s...

Autosampler Vial

20ml headspace vialHeadspace Vial

Reliable and High-Quality Headspace Vials for Laboratory Use Our Headspace Vials are specifically designed for use in gas chromatography applications. Made from top-grade materials, these vials ...

20ml headspace vial1ml Shell Vial

Premium Quality Shell Vials for Laboratory Use Our 1ml shell vials are expertly crafted from superior quality borosilicate glass, ensuring excellent performance and reliability for your laboratory...

20ml headspace vialClear Reagent Bottle for Laboratory

High-Quality Borosilicate Glass Reagent Bottles for Your Lab Needs: Our clear reagent bottles are crafted from premium borosilicate 3.3 glass, ensuring excellent chemical resistance and durability....

Clear Reagent Bottle for Laboratory

20ml headspace vialEPA VOA TOC Vials

Versatile and Reliable Vials for Environmental Analysis: Our EPA VOA TOC vials are specifically designed to meet the stringent requirements of environmental testing. Whether you are performing Vola...

EPA VOA TOC Vials

20ml headspace vialGlass Spring Bottom Vial Insert

Precision-Engineered Vial Inserts: Our glass spring bottom vial inserts are designed to enhance the efficiency and accuracy of your sample analysis. Ideal for use in a variety of chromatographic ap...

Glass Spring Bottom Vial Insert

20ml headspace vialAmber HPLC Autosampler Vial

High-Quality Amber Vials: Our amber HPLC autosampler vials are crafted from premium borosilicate glass, ensuring excellent chemical stability and sample integrity. Ideal for use in high-performance...

Amber HPLC Autosampler Vial

20ml headspace vial20mm 20ml Crimp Headspace Vial

Premium Headspace Vials: Our 20mm 20ml Crimp Headspace Vials are crafted from high-quality glass to ensure the purity and reliability of your samples. Ideal for various gas chromatography (GC) anal...

20mm 20ml Crimp Headspace Vial

20ml headspace vialSample Vial Aluminum Caps

Premium Aluminum Caps for Vials: Our high-quality aluminum caps are designed to provide a secure and reliable seal for your sample vials, ensuring sample integrity and protection. Manufactured w...

Sample Vial Aluminum Caps

20ml headspace vialEPA VOA Vials (20-60mL)

High-Quality Storage Solution: Our EPA VOA storage vials are designed to meet the stringent requirements of environmental testing, ensuring sample integrity and accurate results. Premium Borosil...

EPA VOA Vials (20-60mL)

20ml headspace vial11mm Crimp Top 2ml Autosampler Vial with Aluminum Seal

Our 11mm Crimp Top 2ml Autosampler Vials are designed to meet the high standards of your laboratory needs. These vials, paired with aluminum crimp seals, provide a secure and reliable sealing solut...

11mm Crimp Top 2ml Autosampler Vial with Aluminum Seal

20ml headspace vialPolymer Spring Micro Inserts

Volume Options: 150µl, 250µl, 300µl Enhance your laboratory efficiency with our Polymer Spring Micro Inserts, designed to provide superior performance and reliability...

Polymer Spring Micro Inserts

20ml headspace vialHPLC Syringe Filter

Diameter: 13mm / 25mm Pore Size: 0.22µm / 0.45µm Our high-quality HPLC Syringe Filters are designed to ensure optimal performance and reliability for your liquid chromatography applications. Wi...

HPLC Syringe Filter

20ml headspace vial9mm Short Thread Caps with Septa – Perfect Seal for Precision

Our 9mm Short Thread Caps with Septa provide a superior seal for your chromatography vials, ensuring sample integrity and preventing contamination. Designed for compatibility with various vial type...

9mm Short Thread Caps with Septa – Perfect Seal for Precision

20ml headspace vialHPLC Syringe Filter

Filter your samples with syringe filters to ensure clean samples and more accurate results. Made with high-quality membranes and housings for excellent chemical compatibility and durability.

HPLC Syringe Filter

20ml headspace vialScrew Sample Storage Vial

Made of high-quality borosilicate glass. Available in a variety of sizes to meet your specific storage requirements. Used with a threaded cap, it has a good seal and is ideal for short-term and lo...

Screw Sample Storage Vial

20ml headspace vial16mm COD Digestion Test Tube

When it comes to accurate chemical oxygen demand (COD) analysis, the quality of your test tubes matters. Our 16mm COD Digestion Test Tubes are designed to meet the highest standards, ensuring relia...

16mm COD Digestion Test Tube

20ml headspace vial20mm Vial crimper

Suitable for various types of headspace vials, widely used in the pharmaceutical, chemical, and food industries, providing excellent sealing performance to ensure the integrity and safety of sample...

20mm Vial crimper

20ml headspace vialReagent Bottle

Choose AIijiren to supply 100ml to 2000ml reagent bottles. Excellent quality. Made of high-quality borosilicate 3.3 glass to ensure your chemical experiments are safe and reliable. Precise capacity...

20ml headspace vialHPLC Syringe Filter

Discover how syringe filters can streamline your lab work and improve sample purity.

HPLC Syringe Filter

20ml headspace vialEPA VOA Vials

EPA VOA vials are an indispensable tool in environmental monitoring and analysis. Aijiren EPA VOA vials meet the strict standards of the U.S. Environmental Protection Agency (EPA) and are mainly us...

20ml headspace vialSyringe Filters

Aijiren supplies a variety of filters (PTEF, PVDF, PES, Nylon, MES, PP, CA), with plastic housings. Filter diameter: 13mm/25mm Filter membrane pore size: 022/0.45 microns.

Syringe Filters

20ml headspace vial1ml micro vials

Made from borosilicate glass. Flat bottom design, suitable for Waters 96-position autosampler. 100 pieces/pack. Need to purchase polyethylene caps separately.

1ml micro vials

20ml headspace vial20mm 20ml Crimp Headspace Vial

There are two types of borosilicate glass, which are transparent and brown, suitable for most GCMS systems. The bottle mouth is a clamp, and you need to buy a 20mm aluminum clamp cover separately....

20mm 20ml Crimp Headspace Vial

20ml headspace vial11mm Crimp Caps

The vial caps are made of aluminum and are used with 11mm crimp cap vials. They come with a PTFE/silicone septum and can be customized in different colors. The crimp caps have a good seal and req...

11mm Crimp Caps

20ml headspace vial2ml HPLC Autosampler Vials

The vials are compatible with the autosampler of HPLC systems and can be used to store and deliver liquid samples for high performance liquid chromatography analysis.

2ml HPLC Autosampler Vials

20ml headspace vialHPLC High Recovery Vials

Use high recovery vials to increase sample recovery. If you are testing high-value samples, it is recommended to use high recovery vials. The V-bottom design can increase the recovery rate to 99...

HPLC High Recovery Vials

20ml headspace vialSample vial caps & septa

We have several workshops that produce sample vial caps and septa. We supply threaded, crimp, snap caps and PTFE/silicone septa. The septa also support pre-cut processing and have excellent chemic...

Sample vial caps & septa

20ml headspace vialHeadspace vials

Suitable for GC sample analysis, such as food, beverage, environmental samples, pharmaceutical and forensic samples. The vials have good sealing properties and are available in 6-20ml capacities...

Headspace vials

20ml headspace vialSpring-bottom micro-insert

Use the insert to ensure that the sample can be completely aspirated and improve sample utilization. The insert has a spring bottom at the bottom, which can act as a buffer during the injection pr...

Spring-bottom micro-insert

20ml headspace vialPP micro vial

This vial comes with a fixed micro-insert tube, which is suitable for experiments to handle and analyze micro samples. The vial made of plastic material has good chemical resistance and is not eas...

20ml headspace vialCOD test tube

Mainly used for water quality testing, COD test tubes can be used to quickly complete the test. Compared with traditional methods, the use of test tubes greatly simplifies the process. Good seali...

20ml headspace vialHPLC crimp top sample vials

Clamp-top sample vials and crimp-top lids provide excellent sealing, so you don’t have to worry about sample leakage or contamination. Capping is done easily with the AIJIREN Hand Crimper.

HPLC crimp top sample vials

20ml headspace vialSpring bottom vial insert

Suitable for trace sample detection, high recovery rate, providing you with the most reliable analysis. The inner tube has a spring-loaded base for self-alignment.

Spring bottom vial insert

20ml headspace vialChromatography vial septa manufacturers

Our septa are made of silicone and PTFE. This combination has good sealing and chemical stability, as well as very good puncture effect. It has certain high temperature resistance and can maintain...

Chromatography vial septa manufacturers

20ml headspace vialSyringe Filter

Use filters to remove impurities, particles and suspended solids from your samples. This helps reduce contamination of the HPLC system, improves analytical accuracy, and reduces system maintenance ...

20ml headspace vialHeadspace vial

Clamp and threaded bottle tops provide excellent sealing, especially for volatile samples. You can also use it to store liquid samples, solid samples, etc.

20ml headspace vialAmber HPLC automatic sample vial

You can use this type of vial to store photosensitive samples, effectively blocking the entry of ultraviolet light, maintaining the stability and accuracy of the sample. We offer logo printing, ...

Amber HPLC automatic sample vial

20ml headspace vialPolypropylene Micro Vial

The small vials are made of PP material and can be reused after cleaning. They are available in amber and clear colors. With a conical interior of 0.3ml, they can store a small amount of sample, th...

Polypropylene Micro Vial

20ml headspace vial1ml shell vial

This small vial is suitable for microscale experiments, with a 1ml capacity ideal for loading small amounts of samples, especially suitable for expensive or rare samples. Available in two colors, c...

20ml headspace vialCrimp Caps for Sample Vials and Headspace Vials

Crafted from magnetic aluminum metal using advanced manufacturing processes, our crimp caps ensure excellent sealing, providing optimal protection for your samples. With diameters of 11mm for au...

Crimp Caps for Sample Vials and Headspace Vials

20ml headspace vialHPLC Syringe Filter

We supply filters with pore sizes of 0.22um / 0.45um, capable of effectively removing impurities from the sample. We offer a variety of filter membrane materials compatible with various samples. Ch...

HPLC Syringe Filter

20ml headspace vialAijiren HPLC Autosampler Vial

We specialize in manufacturing chromatography consumables for over 16 years. We offer small vials ranging from 1.5 to 4ml. You can choose from different types of vial openings, including screw, ...

Aijiren HPLC Autosampler Vial

20ml headspace vialHPLC Vials Micro Inserts

Made of glass, HPLC sample vial inserts come in three different styles: flat-bottom, conical, and spring-bottom inserts. Using inserts minimizes sample loss and reduces the risk of sample contamina...

HPLC Vials Micro Inserts

20ml headspace vialLaboratory reagent bottles

Available in transparent and amber colors, with capacities ranging from 100ml to 2000ml, these laboratory reagent bottles have a neck diameter of 40mm. They use GL45 caps with a diameter of 45mm, m...

Laboratory reagent bottles

20ml headspace vialPlastic automatic sampling vial

Plastic automatic sampling vial with a 9mm mouth diameter and graduated body. Available in transparent and amber colors. The transparent vial facilitates direct observation of the sample, while the...

Plastic automatic sampling vial

20ml headspace vialCOD Test

COD test tubes are used to detect the chemical oxygen demand in water samples and are widely applied in environmental monitoring, wastewater treatment, and industrial production. We offer OEM servi...

20ml headspace vialHPLC syringe filter

Aijiren offers a wide range of syringe filters. Membrane materials include PTEF, PVDF, PES, Nylon, MES, PP, CA, pore size 0.22 micron and 0.45 micron, filter diameter 13mm/25mm. You can choose ac...

HPLC syringe filter

20ml headspace vialEPA sample vial

The vials meet U.S. Environmental Protection Agency standards and are primarily used for environmental testing such as water quality and soil. Aijiren produces 20, 30, 40 and 60ml vials for differ...

EPA sample vial

20ml headspace vialStorage vial

AIJIREN supplies 20, 30, 40 and 60ml storage vials. Available in clear and amber colors. You can choose round or flat bottom for the bottle bottom. Mainly used for environmental analysis, you can...

20ml headspace vialHigh-recovery vials

Made from high-quality borosilicate glass to prevent adverse reactions between samples and vials, thus ensuring accurate analysis results. Featuring a 9mm neck diameter compatible with 9mm screw...

High-recovery vials

20ml headspace vialPlastic Automatic Sample Vials

Small vials made of plastic, capable of conducting specialized sample analyses. The vial body is marked with graduations. Featuring a 9mm neck diameter, designed to be used with 9mm screw caps.

Plastic Automatic Sample Vials

20ml headspace vialCOD Test Tube

Made of borosilicate glass. Used for municipal wastewater testing, industrial wastewater and process control testing, and environmental water testing. We can provide you with OEM services, and ev...

20ml headspace vialHeadspace Vials

Aijiren offers a variety of styles of headspace vials. Multiple capacities are available for selection, suitable for the analysis of small sample quantities. Can be reused after cleaning. Flat-b...

Headspace Vials

20ml headspace vial11mm Crimp Caps for Autosampler Vials

In certain analyses, aluminum crimp caps can provide better sealing and corrosion resistance. You can purchase a dedicated crimping tool for sealing purposes.

11mm Crimp Caps for Autosampler Vials

20ml headspace vialReagent Bottle

The bottle uses a GL45 cap, providing excellent sealing performance, suitable for various experimental applications. Made of chemically resistant glass material. Able to withstand high temper...

20ml headspace vial9mm Screw Top Plastic Autosampler Vial

Made of polypropylene (PP) material. Compared to glass vials, it is more lightweight and less prone to breakage, reducing the risk of experimental waste and safety hazards due to bottle damage. The...

9mm Screw Top Plastic Autosampler Vial

20ml headspace vialCOD test tubes

COD test tubes are widely used for water treatment plants, environmental monitoring, industrial wastewater discharge, water resource management, and scientific research laboratories to assess water...

20ml headspace vialHeadspace Vials

Aijiren manufactures headspace vials ranging from 6ml to 20ml, available in both round and flat bottom options. The vial body is made of borosilicate glass/Type I hydrolytic glass, and is offere...

Headspace Vials

20ml headspace vialEPA VOA vials

EPA VOA vials are specialized bottles used for the collection and analysis of environmental samples, typically employed for sampling and storing volatile organic compounds (VOCs). These small vials...

20ml headspace vialHigh recovery vial

The V-shaped bottom design minimizes sample residue on the vial walls, thereby enhancing sample recovery rates and minimizing sample loss, particularly for high-value samples. Constructed from high...

High recovery vial

20ml headspace vialHPLC Polypropylene Micro Sample Vial

This small vial comes with a fixed internal insert, eliminating the need for removable inserts. The vial mouth features a screw thread, compatible with Aijiren 9mm screw caps. Aijiren's manufact...

HPLC Polypropylene Micro Sample Vial

20ml headspace vialEPA VOA vials

EPA VOA vials are used for the collection and storage of environmental samples. EPA vials are small containers that adhere to the standards set by the United States Environmental Protection Agen...

20ml headspace vial20mm Crimp Top Aluminum Caps with Septa

Aijiren has over 16 years of experience in manufacturing chromatography consumables. Our 20mm aluminum crimp caps are primarily designed for use with headspace vials, requiring a compatible crimpin...

20mm Crimp Top Aluminum Caps with Septa

20ml headspace vial9mm short thread cap & septa

Our caps are made of polypropylene, and our septa are made of high-quality PTFE/silicone materials, offering excellent puncturability. With advanced automatic production lines and manufacturing ...

9mm short thread cap & septa

20ml headspace vialSpring-bottom sample vial insert

Spring-bottom sample vial insert Featuring a spring-bottom design, this sample vial insert provides superior sealing, ensuring a tight fit between the insert and the vial cap, effectively preven...

Spring-bottom sample vial insert

20ml headspace vialAmber HPLC Autosampler Vial

Our amber-colored HPLC automatic sample vials come in a variety of sizes and capacities to suit your needs. Whether you are conducting small-scale experiments or large-scale analyses, we can provid...

Amber HPLC Autosampler Vial

20ml headspace vialConical Bottom Vial Insert for HPLC Vials

Conical insert tubes enable precise sample introduction. The design of conical insert tubes helps minimize sample loss, making them suitable for the detection of trace samples. Using conical ...

Conical Bottom Vial Insert for HPLC Vials

20ml headspace vialPP micro sample vials

PP micro sample vials are suitable for collecting samples for analysis, testing, and experiments, and can also be used for storing and transporting micro samples. Featuring a snap cap design (Aijir...

PP micro sample vials

20ml headspace vialAijiren 20mm crimp cap

Designed for sealing headspace vials. Made of aluminum, this cap exhibits magnetic properties. Suitable for Aijiren headspace vials with a 20mm diameter, it is easy to use. With excellent corrosion...

Aijiren 20mm crimp cap

20ml headspace vialClear Reagent Bottle for Laboratory

Laboratory reagent bottles have threaded mouths and use GL45 caps to ensure a good seal, effectively preventing leakage or contamination from the outside. The bodies of the bottles are made of high...

Clear Reagent Bottle for Laboratory

20ml headspace vial1.5ml V-shaped bottom high-recovery sample vial

V-shaped bottom design maximizes sample recovery and minimizes sample residue. Reduce waste of high-value samples and enhance laboratory cost-effectiveness. The 9mm diameter bottle mouth adopts ...

1.5ml V-shaped bottom high-recovery sample vial

20ml headspace vial20mm crimp aluminum cap

The 20mm crimp aluminum cap is specifically designed to seal 20mm crimp headspace vials, made with magnetic absorption material. Match with 20mm crimp headspace vials: The aluminum cap has a d...

20mm crimp aluminum cap

20ml headspace vial20ml Headspace Vials

Clasp Mouth Design: The bottle adopts a clasp mouth design to ensure sealing integrity, preventing sample volatilization and external contaminants from entering, thus safeguarding the accuracy ...

20ml Headspace Vials

20ml headspace vial20mm Crimp Top Headspace Vial

This type of vial is made of borosilicate glass, available in transparent and amber colors. The vial bottom can be either round or flat. With a 20mm diameter mouth, it requires a 20mm aluminum c...

20mm Crimp Top Headspace Vial

20ml headspace vialAIJIREN Syringe Filters

Aijiren offers a wide range of filter types (PTEF, PVDF, PES, Nylon, MES, PP, CA) to meet various scenarios encountered in experimental/medical processes, ensuring the purity of samples. With a div...

AIJIREN Syringe Filters

20ml headspace vial11mm crimp top sample vial

11mm crimp top vials are made of borosilicate glass and are available in amber/clear colors Bottles available with white markings Requires use with 11mm aluminum crimp caps (with PTFE/silicone se...

11mm crimp top sample vial

20ml headspace vial1ml Shell Vial

Aijiren 1ml Shell Vial is compatible with Waters WISP™ 96-bit autosampler. The bottle is made of sprayed silicate glass. The vial cap is made of polystyrene to make the top of the starburst easie...

20ml headspace vial25mm PTFE syringe filter

Aijiren 25mm syringe filter uses PTFE membrane, which has good filtration performance and economy, and is very suitable for HPLC sample filtration. 100 pcs per pack.

25mm PTFE syringe filter

20ml headspace vialAijiren 6ml-20ml headspace vial

Aijiren supplies headspace vials in three capacities: 6, 10, and 20ml. The 10ml and 20ml vials are available in two colors: Amber and Clear (the 6ml vial is only available in clear color). The amb...

Aijiren 6ml-20ml headspace vial

20ml headspace vial6ml 20mm crimp top headspace vial

Aijiren transparent 6ml crimp top headspace vial is made of borosilicate glass and has the characteristics of high temperature resistance, corrosion resistance, high strength and wear resistance. ...

6ml 20mm crimp top headspace vial

20ml headspace vial11mm PP Micro Vial

Aijiren pp vials are made of polypropylene. Need to be used with 11mm snap top vial cap. The PP bottle comes with a fixed micro insert. Compared with glass vials, PP vials do not need to be broke...

11mm PP Micro Vial

20ml headspace vialTOC vial

The vial is made from borosilicate glass The volume is 40ml, the bottle mouth is 24mm, and it comes in two colors: transparent and amber. With the Aijiren 24mm screw cap, it has excellent sealing ...

20ml headspace vial9mm short thread cap sample vial cap manufacturer

The short thread caps we produce are universal and suitable for most 9mm diameter chromatography vials on the market. Comes with a PTFE/silicone septum We provide OEM, ODM, OBM and customization s...

9mm short thread cap sample vial cap manufacturer

20ml headspace vialEPA VOA Vials

EPA VOA Vials Aijiren can supply EPA VOA storage bottles, our EPA vials meet the requirements of the U.S. Environmental Protection Agency (EPA) for testing water or soil samples for potentially ha...

20ml headspace vialHPLC pre-slit PTFE/silicone septa

The pre-slit septum syringe needle can be easily punctured without problems such as needle jamming. Aijiren offers two incision types: I-type and x-type. The X-shaped pre-slit septum helps the syr...

HPLC pre-slit PTFE/silicone septa

20ml headspace vial9mm autosampler vial for HPLC

9mm auto-sampling vials are our most sold product. The 9mm HPLC vials we produce have been exported to more than 70 countries and supplied to more than 4,000+ laboratories. It is a very mature vial...

9mm autosampler vial for HPLC

20ml headspace vialHPLC 2ml Crimp Top autosampling vial

We provide automatic sample vials in Amber and Clear colors. The amber sample vial is suitable for light-sensitive sample detection, and you can also use it to store samples. The bottle is made ...

HPLC 2ml Crimp Top autosampling vial

20ml headspace vialFor HPLC vials 9mm short thread cap with septa

The 9mm short thread cap comes with a PTFE/silicone septum, no need to purchase additional septa. We provide customization service, you can choose the color of the lid and septum you want. Aijir...

For HPLC vials 9mm short thread cap with septa

20ml headspace vial20mm Crimp Top Aluminum Caps with Septa

The 20mm crimp cap is suitable for 20mm diameter headspace vials, and you can use the matching Hand Crimper for sealing. Our clamp caps are manufactured using the most advanced production lines, a...

20mm Crimp Top Aluminum Caps with Septa

20ml headspace vialMicro Inserts

Our conical inserts are made of clear glass and are required for use with vials The use of inserts can avoid sample contamination caused by reuse of vials, increase sample recovery rate, and exten...

HPLC Syringe Filter

In HPLC, if there are impurities and particles in the test sample, the instrument will be damaged, stop running, and the test data will be inaccurate. Aijiren has launched a variety of membrane sy...

HPLC Syringe Filter

20ml headspace vial1ml Shell Vial

For HPLC The starburst cap facilitates needle insertion and avoids needle jamming. Caps need to be purchased separately, convenient and affordable combination for non-critical sample analysis Ca...

20ml headspace vialTOC Vial

Aijiren TOC vial is made of borosilicate glass. Threaded neck design for use with 24mm PP caps. Used in various TOC instruments on the market. It is suitable for packaging of medicines, high valu...

20ml headspace vialAijiren hand crimper for vials

The crimper is suitable for sealing crimp vials and is suitable for 11mm and 20mm crimp caps. Aluminum crimp seals are securely crimped to vials in just one simple step. Safe, reliable and go...

Aijiren hand crimper for vials

20ml headspace vialGlass Crimp Vial with Fused Insert

Use Aijiren's own crimp vials with inserts to maximize sample injection during sample analysis. The vial has a fixed insert to prevent the insert from shifting, which may cause damage to the syr...

Glass Crimp Vial with Fused Insert