High Quality Septa with Cap

Clear glass vials with a 20mm crimp seal finish are designed to fit most headspace autosamplers.
Capacity (mL): 20
Diameter (mm): 23
Height (mm): 75
Quantity: 100
Base Style: Flat Bottom
Finish: Beveled Edge
Color: Clear

✅Hydrophobic PTFE Membrane – The PTFE needle filter material is a PTFE membrane, with the naturally hydrophobic, it with broad chemical compatibility and strong chemical stability and inertia, strong hydrophobicity.
✅Uniform Pore Size – PTFE Syringe Filter with uniform pore size, high porosity, and high retention efficiency. 13mm disc diameter, 0.22μm, pore size, 100 pcs barreled packed.
✅ High-Quality – ISO 9001 certificated, ensuring the quality of the filter from the first inspection, mind-control inspection, patrol inspection, and warehouse inspection.
✅Non-Sterile Syringe Filters – PTFE syringe filters housing is made of premium polypropylene(PP) material with a unique threaded interface (Luer lock) design, non-sterile, no adhesive, and no contamination of the sample. It can be autoclaved and sterilized at 121°C/249.8℉ for 30 minutes.
Usage: Laboratory Analysis
Logo: Customized Accepted

Material: Borosilicate Glass
GL45 threaded cap with a drip-free pouring ring
Borosilicate glass content: B2O3 about 12%-13% ; SiO2 over 80%
1. good thermal resistance
2. excellent chemical durability
3. high light transmission
4. high-quality pristine surface

Aijiren screw thread top autosampler vials design is characterized by universal ease of use, especially the use of automated sample introduction systems, so this type of vial is also called an autosampler vial. And this sample vial is extremely compatible. The 1.5ml sample vial we usually say is the 2ml volume sample vial. The design of Aijiren screw thread top vials is developed in Europe and the United States, and the design feature is easy to use, especially the use of an automated sample introduction system.
Aijiren 10mm 2ml HPLC autosampler vial is generally made of high-quality imported expanded borosilicate glass tube. The high-cost performance of this material is the first choice for throughput analysis. The matching polypropylene bottle cap is chemically compatible, suitable for most chromatographic applications, and suitable for 6mm diameter micro-insert.

Aijiren Storage vial is an ideal device for general laboratory use and storage of diverse samples due to excellent sealability and chemical tolerance. Aijiren sample storage vials have excellent sealability and chemical resistance, and are ideal equipment for general laboratory use and various sample storage. Because of its high tightness, the screw thread makes the cap and vial tightly fit. Septa can fill the gap between Vial and Cap to prevent the sample from leaking out.

18mm 10ml Screw Headspace Vials are glass vials designed for laboratories. They are made of USP1 borosilicate glass and are resistant to high temperatures and corrosion. These vials are suitable for headspace analysis of volatile solids and gases, can store volatile samples to prevent sample evaporation.

Sterile syringe filters are single-use devices that fit on the end of a syringe and are specifically designed to filter particulate impurities from liquids or gases. They consist of a membrane that allows liquids to pass through while retaining solid particles. The sterility aspect ensures that the filter does not introduce any contaminants into the sample being processed.

The wide mouth of reagent bottle 500ml for easy, safe filling. Color-coded caps for easy identification. Graduated. Ingenious cap designed to avoid involuntary dripping due to pressure build-up in a bottle – where toxic or radioactive material is being used.

Packing: Individually packaged, 100pcs per pack, 40PK/carton.56*50*26cm.12.5KG.packed in PP-Trays with plastic film and cover plate,neutral cartons outside OEM packing can be also provided.

Membrane: PTFE, PVDF, PES, MCE, NYLON, PP, CA, etc. Aijiren disposable sterile syringe filter devices are designed to provide fast and efficient filtration of aqueous and organic solutionsfrom small volumes up to 100 mL.

The vial has an outer diameter of 8mm, which is a common size for HPLC autosampler systems. This standard size ensures compatibility with a wide range of autosamplers and other accessories. These vials are typically made from high-quality, Borosilicate Glass or 1st hydrolytic-class glass to prevent interactions between the sample and the container. 2ml Autosampler Vials 8-425 neck finish represents HPLC vials &gc vials, the vials a diameter of 8 mm across the outside of the threads and a thread style of 425, Vials has clear and amber, Screw Cap in Lab most of the 2ml vials are 12*32mm. Aijiren screw thread top sample vial design is characterized by universal ease of use, especially the use of automated sample introduction systems, so this type of vial is also called an autosampler vial. And this sample vial is extremely compatible. The 1.5ml sample vial we usually say is the 2ml volume sample vial.

Main applications for Plastic vials are atomic absorption, water and protein analysis, capillary electrophoresis, ion chromatography etc.
Optimal choice when working with proteins. Ideal for IC applications

The 9mm Short Thread Caps that are included with this kit are knurled on the sides for excellent gripping and comfort when applying to the vial. 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.Screw Cap Vials are universal. Screwing the cap applies a mechanical force that squeezes the septum between the glass rim and the cap.

18mm screw neck metal screw cap is made of magnetic metal, this cap is mainly used for seal 18mm screw GC headspace vial. PTFE septa can meet multiple punctures.
Steel Magnetic caps tolerate high temperatures and are suitable for use with the CTC/LEAP/Gerstel autosamplers.

Vial Dimension: 12x32mm
Vial Color: Amber and Clear
Vial Volume: 1.5-2.0ml
Vial Material: Borosilicate Glass/Glass Type 1
Application: Lab consumables for analysis
Certification: ISO9001, SGS, COA
Vial Thread: Screw

Item No: Aijiren hplc filter vials for sale
Vial Size: 12 x 32 mm
Pore Size: 0.22um and 0.45um
Capacity:
Unfiltered sample chamber: 500 µL
Filtered sample chamber: 330 µL
Maximum operating temperature: 122°F (50°C)

Aijiren 9mm high recovery screw vial is made of borosilicate class, so it has a good Liner coefficient. In the chromatography analysis field, 9mm high recovery screw vials are widely used in Life science and technology, Environmental Protection, and Food Safety. Smooth, conical interior surfaces facilitate complete sample recovery. high recovery vials offer precision vials made from low expansion borosilicate glass and designed with a unique interior bottom, solid glass bottom of a Microliter-Vial with an inner cone, allowing for maximum retrieval of contents by a syringe. These high-quality 9mm clear glass vials are 2mL, 12x32mm, and fit most brands of autosamplers. Made of superior quality borosilicate clear, they meet all requirements of US, EU, and JPN Pharmacopia.

2mL Amber Glass Screw Top Autosampler Vials are available in a variety of neck finishes and opening diameters. Large mouth or wide ID vials have approximately a 40% wider mouth opening than standard opening vials. The large opening reduces the risk of bent autosampler needles during sampling. When choosing a 2mL Amber Glass Screw Top Autosampler Vials, the product material is of paramount importance.

There are screw top autosampler vial, snap Top HPLC vial and glass storage vial. All of those glass vial are often needed in laboratory. The glass vial can supply in Amber and Clear color. Borosilicate 3.3 Glass material made the Glass vial.

40ml EPA vial is also application in TOC instrument. This 40ml EPA vial with PP screw cap is made of borosilicate glass. 40ml EPA vial is mainly used for storage solution. The 40 mL vials are offered in clear (Type 1, 33 expansion) and amber Type 1, 51 expansion) borosilicate glass. They are avialable in two sizes, 27.5 x 95mm or 29 x 82mm and are packaged 100 vials per box.

Micro vials are suitable for Agilent, AB Sciex, Brukers, Techcomp, PerkinElmer, ThermoScientifics, Shimadzu, Waters, CTC autosampler and other rotating or robotic arm samplers and autosamplers.

Aijiren offers innovative high-recovery vials for comprehensive collection, automated handling, and storage, with the subsequent maximum retrieval of high-value samples.

These 2ml clear chromatography vials include 100/PK of 2ml RSA-Pro™ surface-treated glass vials with 9mm screw threads. Any requirement about 2ml clear chromatography vials,please contact AIJIREN.
Volume: 2ml
Usage: Laboratory Analysis
Brand Name: AIJIREN
Printing with Company Logo: Accept

9mm Screw conical micro-vial for laboratory chromatography experiment, the micro-vial size is 11.6x32mm. High-quality glass vial for HPLC/GC analysis. 2ml clear glass vial with 0.3ml integrated vial, designed for valuable samples to save for testing use volume. Bottom fixed micro insert to keep the vial central vertical. Vials with integrated Micro-Insert are also available now in clear and amber glass. amber glass make it compatible with sun-proof samples. Their glass Micro-Insert is absolutely centered in the plastic mold and pressed firmly against the septa due to its slightly exceeding edges. Standard vials for GC and HPLC.

The 2mL glass screw top autosampler vial has a variety of neckwear and opening diameters to choose from. The caliber of large-caliber or wide-inner-diameter sample bottles is 40% larger than that of standard-caliber sample bottles. The large opening reduces the risk of the autosampler needle bending during sampling.

The Aijiren 2ml clear screw HPLC vials Certified Vial Convenience Kit (Opening 9mm) is full lot tested in multiple ways for 15 critical parameters. Aijiren’s 2ml clear screw hplc vials for autosampler is usually divided into three types of calibers.

Capacity: 250 mL/8.5 oz
permanent white enamel graduations from 50 mL to 200 mL
accurate scales, easy labeling
Dimension: OD: 2.56″, Neck ID: 1.18″, Height: 5.5″
GL45 Screw Cap

Capacity: 100ml
Package Dimensions: ‎16.89 x 7.52 x 7.01 inches
Shape: Round
Manufacturer: Aijiren
Max temperature of 140 degrees Celsius (284 degrees Fahrenheit)

When filtering samples choose right membrane syringe filter is very important. If you choose wrong syringe filters your chromatogrpahy instrument will be failed, which can waste a lot of time and money since liquids are normally very expensive. Aijiren provides cost-effective non-sterile and individual packed sterile syringe filters from Nylon, PES, PP, PTFE, PVDF, RC, etc. welcome to inquiry E-mail:info@aijirenvial.com whatsapp:+8618336073276

Reagent bottles are available with narrow mouths for better control while pouring, or wide mouths for easy filling or content retrieval.
Usage: Laboratory Analysis
Logo: Customized Accepted
OEM: Available
Sample: Provided Freely

Advantages of 500ml media bottle: The use of high-quality raw materials and uniform wall thickness distribution reduces the possibility of bottle rupture, improves employee safety, extends the service life of laboratory glassware, and protects valuable substances.

Aijiren™ reagent bottles, also called media bottles, are manufactured from high quality, borosilicate 3.3 glass, with GL45 thread cap.

Aijiren reagent bottle 500mlare perfect for storing media, solvents, and other materials. reagent bottle 500ml comes with a PP Screw cap (GL45). A colorless PP pouring ring allows for drip-free emptying, easy-to-read graduations, and capacities, marking spots for labeling.

These Clear 500ml media bottles with GL45 closures are made from BOROSILICATE 3.3 glass, making them heat and chemical resistant.

Aijiren 2ml snap neck has 40% lager target area which makes it much safer for the autosampler needle. Snap vials can be closed with either snap caps or crimp caps. Snap cap vials cannot be pressurized, but can be easy as push-on, pull-off by hand. A audible click ensures a secure seal has been formed and that the cap is correctly aligned. Precision-formed neck improves autosampler handling.

30mm diameter syringe filter:
Filtration area: 4.9cm2
Housing material: polypropylene
Holdup volume: <100 µl Sample volume: <120 ml Max. housing pressure: 8 bar Maximum Operating Temperature: 80°C (Housing only, also dependent on membrane) Maximum Operating Pressure: 87 psi (Housing only, also dependent on membrane)

The slit allows ambient gas to equalize the gas in the vial so that a vacuum is not created in the vial from the tight seal around the needle. If coring or clogging from a narrow needle or needle deflection from highly durable septa material is a concern, then choosing a pre-slit septum is a better choice.

Aijiren 2ml screw neck HPLC autosampler Vial are designed for high performance liquid chromatography (HPLC) systems to ensure the safety and integrity of samples during storage. The screw neck design provides a tight seal to prevent sample evaporation and contamination. These high-quality Vials are suitable for a variety of HPLC instruments and are ideal for laboratory analysis.

These heavy-duty borosilicate glass round bottles can be used for storage as well as mixing and sampling.
Screw Cap: GL45 Blue Polypropylene
Autoclavable: Max 120℃ for bottles
Quantity: 10
Brand: Aijiren
Retrace Code: This is a lot number printed on the product during the manufacturing process used for identification of the production unit, the production work order and for traceability of the materials used.

Aijiren Thread Caps with Septa products are designed for 9mm short thread vials. They are made of PP and are available in a variety of colors and septa materials (PTFE/silicone). They are suitable for chromatographic analysis such as HPLC and GC to ensure the sealing and purity of the sample.

The Screw Top Vials produced by Aijiren are available in three different calibers, 8mm, 9mm and 10mm. The matching PP Screw Caps are made of high-quality polypropylene materials. If the number of samples to be tested is small, it can also be used with micro-insert. Bottles with different calibers have different matching micro-inserts.

Aijiren HPLC, GC, and autosampler vial and 9mm blue screw caps products are manufactured to provide high-quality, state-of-the-art solutions for your most challenging, sensitive applications.
Usage: Laboratory Analysis
Logo: Customized Accepted
OEM: Available
Sample: Provided Freely
Packing: 100pcs/pk
Material: Borosilicate Glass

Chemical Oxygen Demand (COD) test tubes are essential tools for water quality analysis, widely used in municipal, industrial, and environmental testing. These specialized tubes are designed to withstand high temperatures and harsh chemical conditions during the COD digestion process. Let’s dive into the key features and best practices for using COD test tubes.

Aijiren 9mm vials may be used with robotic autosamplers in place of crimp style vials. 9mm Vials have a 40% larger opening for easier sample preparation, Aijiren 9mm vials must be used with 9mm screw pp closures to ensure proper fit and functionality.

Snap Cap Vials are an extension of the crimp cap system of sealing. A plastic cap is stretched over the rim of the vial to form a seal by squeezing the septum between the glass and the stretched plastic cap. Plastic has memory and wants to return to the original dimension

Materials of construction: pp chamber, PP plunger outer housing, borosilicate glass plunger inner storage vial, silicone septa with PTFE liner, PP cap
Vial Size: 12 x 32 mm
Pore Size: 0.22um and 0.45um
Capacity:
Unfiltered sample chamber: 500 µL
Filtered sample chamber: 330 µL

2ml Amber Screw HPLC Vials, caps, septa, and inserts working as a whole to prevent sample degradation and loss of samples caused by evaporation. Screw thread closures N9 (9mm) 2ml vials and closures are universally suitable on most autosamplers, convenient in handling and available in a broad selection of different cap colors and septum materials.

There is a requirement for a 2ml screw cap glass vial. Contact us now! In addition, the 2 ml amber screw top bottle is made of 33 inflatable glass and can be heated at high temperatures during transparent glass (1,200 °C) during the manufacturing process.

Material is Brosilicate Glass/1st hydrolytic class glass. 100pcs packed in one box. Available in clear and amber.

Aijiren 0.3ml 11mm Glass Crimp Vial with Fused Insert is a high quality glass micro vial designed for HPLC/GC analysis with a 0.3ml capacity, featuring an 11mm crimp neck and a 6mm diameter fused insert with a fixed bottom to maintain vertical centering, suitable for precious sample preservation and testing. Available in clear or amber coloured borosilicate glass, unscaled and compatible with a wide range of autosamplers.

Manual power crimper and decapping tool is on sale, one set is also wholesale price. There are 11mm, 13mm, 15mm, 18mm, 20mm size to be choose. Every crimper and decapping tool made by us is customized. So the size for your bottle and cap will be perfect. Available for use with a wide variety of vial closure styles and different bottle sizes. Hand glass cirmp vial Sealing Machine Crimping Tool mouth is made of the stainless steel material. It is easy to clean and rustiness.

Polypropylene as a vial material is a good choice for protein analysis because normal borosilicate glass vials are known to absorb some types of analytes such as proteins, peptides, and amines.
Insert Volume: 0.3ml
Vial Thread: Screw
Vial Dimension: 12x32mm
Vial Color: Amber and Clear
Usage: Laboratory Analysis
Packing: 100pcs/pk

As such there may be multiple types of vials being used simultaneously in a single laboratory without much consideration as to which is best suited for analytical method development and validation.
Customization:
Customized logo(Min. Order: 300 Packs)
Customized packaging(Min. Order: 400 Packs)
Usage: Laboratory Analysis
Logo: Customized Accepted
OEM: Available

OEM: Available
Sample: Provided Freely
Packing: 100pcs/pk
Material: Borosilicate Glass
Vial Height(mm): 32±0.3
Mouth Diameter(mm):6.15±0.15
Quantity: 100 vials & 100 caps

Septa Material: PTFE/Silicone (White)
Usage: 20ml Crimp Headspace Vials
Production Capacity: 50000000PCS/Week
Specification: 100pcs/pack
Trademark:Aijiren
Origin: China
Payment: 100% T/T in advance

A headspace vial is used in the process of top – gas chromatography. When detecting volatile or semi-volatile mixtures with high boiling points, we need to heat them to vaporize them at the top. In this process, since the liquid samples are at the bottom, the material in the top gas can be measured without touching the liquid in the sample vial.

Aijiren 10mm hplc vial is generally made of high-quality imported 5.0 expanded borosilicate glass tube. The high cost performance of this material is the first choice for throughput analysis, and the 7.0 vial can also be customized. The matching polypropylene bottle cap is chemically compatible, suitable for most chromatographic applications, and suitable for 6mm diameter micro-insert.

Aijiren clear water digestion colorimetric test tube has a 16mm threaded opening. There are various specifications, 9ml, 10ml, 12ml, 15ml. The default is 25 pcs/foam box. If you need 100 pcs/carton, please contact the product manager.

Aijiren 18mm 20ml Screw Headspace Vial is a high-quality laboratory glassware designed for gas chromatography analysis, featuring a robust round bottom for withstanding high pressures during heating and a precision screw-thread closure for secure sealing.

COD testing is a good better indicator of organic pollutants in industrial wastewater containing cyanides and heavy metals. COD testing affords rapid response to changing conditions before critical.

Aijiren’s reagent bottle is made of soda-lime glass, which can withstand high temperatures to ensure safety during heating during the experiment. The design of the oblique shoulder wide mouth is to make it more convenient to pour reagents, and the design of the round bottom is to make the reagent bottles more stable when placed on the machine or counter.

headspace vials come in two basic sizes :10 mL glass vials and 20 mL glass vials; Crimp caps are most common however many customers use screw sample and application dependent; clear glass vials and amber vials are available

Application: Lab consumables for analysis
Certification: ISO9001, SGS, COA
Vial Thread: Screw
Cap: Plastic open/solid cap
OEM: Available
Sample: Provided Freely
Packing: 100pcs/pk

Headspace vials are a kind of laboratory vials for top space analysis, with the features of high-temperature resistance and corrosion resistance. A headspace vial is used in the process of top–gas chromatography. When detecting volatile or semi-volatile mixtures with high boiling points, we need to heat them to vaporize them at the top. In this process, since the liquid samples are at the bottom, the material in the top gas can be measured without touching the liquid in the sample vial. The material of Headspace Vials is low extractable Borosilicate glass with a low expansion rate, high-temperature resistance, high strength, high hardness, high light transmittance, and high chemical stability. Headspace Vials are suitable for headspace analysis of volatile solids and gases.

Materials of construction: pp chamber, PP plunger outer housing, borosilicate glass plunger inner storage vial, silicone septa with PTFE liner, PP cap
Unfiltered sample chamber: 500 µL
Filtered sample chamber: 330 µL
Maximum operating temperature: 122°F (50°C)
Minimum filtering sample volume: 220 µL placed into the chamber to obtain a 50 µL filtered sample

Aijiren 4ml 13-425 Screw Thread Vial is a high-quality, chemically resistant glass vial designed for HPLC and GC applications, featuring a 13-425 standard screw thread for secure sealing and compatibility with various autosamplers.

The Hand Decrimper is typically designed to work with two common crimp cap sizes, which are 11mm and 20mm. These sizes correspond to the diameter of the crimp caps, indicating their compatibility with specific vial sizes. This tool is typically made of durable materials such as stainless steel or high-quality aluminum. These materials are chosen for their strength and resistance to corrosion, ensuring long-lasting performance. The decrimping features a handle, often designed with ergonomic considerations for comfortable and efficient use by laboratory personnel. The handle provides a firm grip for precise control during the decrimping process.

Borosilicate Glass Graduated Amber Reagent Bottle autoclavable with Screw Cap GL45 100ml,250ml,500ml,1000ml,5000ml,10L,20L (100ml) – Gl 45 screw cap is a standard joint.Aijiren is the leading supplier of Amber Reagent Bottle since 2007, is a reliable supplier of lab consumables.

10ml glass test tube with plastic screw cap is used for water analysis and soil analysis; The size of glass test tube are 16x100mm, 16x125mm and 16x150mm. This test tube can be available Flat bottom and Round bottom. It can be used for digestion.

Aijiren Micro Inserts for HPLC Vials are HPLC vials designed for micro-volume samples, aiming to improve sample recovery and reduce sample volume requirements. These micro inserts have a capacity of 150µL to 300µL and are suitable for autosamplers and micro-HPLC systems.

Vial Dimension: 12x32mm
Vial Color: Amber and Clear
Vial Volume: 1.5-2.0ml
Vial Material: Borosilicate Glass/Glass Type 1
Application: Lab consumables for analysis
Certification: ISO9001, SGS, COA

Vial Volume: 1.5-2.0ml
Vial Material: Borosilicate Glass/Glass Type 1
Application: Lab consumables for analysis
Certification: ISO9001, SGS, COA
Vial Thread: Screw
Cap: Plastic open/solid cap
Septa: Non-slit, Pre-Slit, PTFE/Silicone

polypropylene screw micro vials can be used in most standard gas and liquid chromatography autosamplers. These lightweight, economical vials are made from durable polypropylene which has good chemical resistance. The conical interior ensures maximum retrieval of contents without the hassle of using removable inserts. Vials are available with a screw cap and traditional screw cap finish.

Magnetic Screw caps for CTC are novelties in the crimped neck-dominated Headspace market. However, especially for the hard-to-crimp magnetic caps, screw closures are a convenient alternative. It is constructed from metal, which ensures durability, strength, and resistance to environmental factors, making it suitable for long-lasting applications. The cap is equipped with a magnetic feature. This is extremely useful in precision work where screws need to be secured and placed accurately.

Autosampler needle pierces through the cap during injection and withdraws the required aliquots of sample from the 2ml HPLC and GC Autosampler Vials.
Original Place: Zhejiang, China
Brand: Aijiren
Size: 11.6*32mm（with Write-on Spot）
Volume: 2ml Vial Diameter(mm):11.6±0.25
Performance: Acid Resistance, Alkali Resistance, Temperature Resistance

2mL Standard Opening Vials. Our standard 2 mL vial is 12 mm in diameter, 32 mm in height, 5.5 mm opening. The thread size on this vial is 8-425. Choice of clear or amber glass. These vials are the very best available today for HPLC, GC, LCMS & GCMS

The most common sample containers range in size from 100ml Amber Reagent Bottle to 1000 ml.Aijiren is the leading supplier of 100ml Amber Reagent Bottle since 2007, is a reliable supplier of lab consumables.

20ml crimp top headspace vials are available in clear or amber glass with a round or flat base, a crimp seal with a beveled or square edge finish, or with a screw-thread finish.

The 20mm Crimp Headspace Vial produced by Aijiren has three specifications: 6ml, 10ml and 20ml. The 6ml via is 22*38mm, flat bottom, and made of 5.0type glass. A 10ml via is 22.5mm*46mm, and a 20ml via is 22.8*75mm. There are two types of bottoms, round bottom and flat bottom. There are two types of glass, 5.0type and 7.0type, and two colors: clear and amber.

Screw thread closures N9 (9mm) 2ml vials and closures are universally suitable on most autosamplers, convenient in handling, and available in a broad selection of different cap colors and septum materials. They fulfill all requirements with regard to tightness and analytical purity for GC as well as for HPLC. Due to the relatively thin septa penetration is safe and easy.

Available in sterile and non-sterile options

The 2ml clear snap-top HPLC vials made by Aijiren have openings in three sizes: 8mm, 9mm, and 10mm. The 2ml clear snap-top HPLC vials are usually grouped according to the diameter of the vial, the height of the vial, and the finish of the screw.

2ml Clear Screw HPLC Vials and closures are universally suitable on most autosamplers, convenient in handling, and available in a broad selection of different cap colors and septum materials.

Item: Micro Insert Suit for 9mm HPLC Vials
Volume: 0.25ml
Color: Transparent
OEM: Available
Sample: Free
Certification: ISO9001:2015
Place of Origin: China (Mainland)
Compatibility: 9mm HPLC Vials
Polyspring inserts are self-aligning and provide a cushion against needle contact
Conical inserts with polymer feet are self-centering and have a cushion against needle penetration