Aijiren Technology delivers high-performance autosampler vials, closures, and filtration tools manufactured in our state-of-the-art Class 100,000 cleanrooms. ISO 9001:2015, GMP, and Bureau Veritas certified, we ensure zero-contamination and seamless injection consistency for labs that refuse to compromise.
All products are molded, assembled, and packed in strictly controlled environments to eliminate trace background interference.
Operating under certified ISO 9001:2015, GMP, and Bureau Veritas quality management systems.
Precision-engineered to fit seamlessly with mainstream autosamplers, including Agilent (1100, 1260, 1290), Waters (Alliance, Acquity UPLC), Shimadzu, Thermo Scientific, and Varian.
Available in USP Type I Grade 5.0 and 7.0 expansion glass, offering maximum chemical inertness and minimizing hydrolytic surface expansion.
Custom sizing, unique septa materials/durometers, private labeling, and bespoke packaging tailored to global distributors.
In-house R&D and 100% automated QC testing offer a robust price-to-performance edge.
Explore our factory virtually
Every vial type for every autosampler, available in clear or amber, 7.0 or 5.0 borosilicate glass
Small opening 1.5 mL vials with 8-425 thread, 11.6×32 mm.
1.5 mLClear / Amber
Universal 1.5 mL/2.0 mL screw vials. 40% wider opening reduces needle damage risk.
1.5 mL / 2.0 mL40% Wider Opening
Featured Product. 1.5 mL wide-mouth design for high-throughput, easy pipetting. Perfectly pairs with our precision 10-425 caps and septa.
1.5 mLWide OpeningFeatured
40% larger opening than standard narrow-bore vials.
1.5 mLSnap Top
Irreversible crimp seal for maximum sample security.
1.5 mLCrimp Top
When sample volume is precious — maximum recovery from minimal residual volumes
1 mL glass or plastic shell vials, 8.2×40 mm with 8 mm PE plug.
V181 / V183Glass & PP
11.6×32 mm polypropylene micro-vials in screw, snap, and crimp configurations.
0.3 mL PPScrew / Snap / Crimp
Glass micro-insert permanently fused to base. 350 µL capacity.
0.3 mLBase Bonded
Conical and flat-bottom inserts in 150, 250, and 300 µL.
150 / 250 / 300 µLUniversal FitThick-wall, pressure-rated vials for GC headspace analysis — flat and round base options
EPA-certified, TOC, and high-volume storage vials for environmental and purge-and-trap analysis
8 mL and 12 mL vials with international 15-425 thread design.
8 mL / 12 mLClear / Amber
20–60 mL large-volume vials meeting EPA standard requirements.
20 / 30 / 40 / 60 mLEPA Certified
5.0 type low-bleed borosilicate vials for total organic carbon analysis.
40 mLTOC CertifiedThe right septa and closure combination is critical to sample integrity — explore every option below
| Part No. | Description | Pcs/Pack |
|---|---|---|
| S91 | White PTFE / Red Silicone Septa, Φ9×1 mm | 100 |
| S92 | Red PTFE / White Silicone Septa, Φ9×1 mm | 100 |
| S93 | Red PTFE / White Silicone / Red PTFE Septa, Φ9×1 mm | 100 |
| S944 | Pre-slit Blue PTFE / White Silicone Septa, Φ9×1 mm (I-slit) | 100 |
| SX944 | Pre-slit Blue PTFE / White Silicone Septa, Φ9×1 mm (X-slit) | 100 |
| C91 | 9 mm Blue Short Screw PP Cap, 6 mm Centre Hole | 100 |
| C92 | 9 mm Blue Short Screw PP Cap, Closed-Top | 100 |
| C93–C99 | 9 mm Screw PP Caps — Black, Red, Yellow, Green | 100 |
| SC9191 | White PTFE/Red Silicone + Blue PP Cap, 6 mm hole — Assembled Kit | 100 |
| B-SC9291 | Clear PTFE/White Silicone + Blue PP Cap, 6 mm hole — Bonded | 100 |
| Part No. | Description | Pcs/Pack |
|---|---|---|
| S101 | White PTFE / Red Silicone Septa, Φ11×1 mm | 100 |
| S102 | Red PTFE / White Silicone Septa, Φ11×1 mm | 100 |
| S103 | Red PTFE / White Silicone / Red PTFE Septa, Φ11×1 mm | 100 |
| S104 | Blue PTFE / White Silicone Septa, Φ11×1 mm | 100 |
| S1011 | Pre-slit White PTFE / Red Silicone, Φ11×1 mm | 100 |
| C101 | 11 mm Natural Snap PE Cap, 6 mm Centre Hole | 100 |
| C102 | 11 mm Blue Snap PE Cap, 6 mm Centre Hole | 100 |
| SC101101 | White PTFE/Red Silicone + Natural Snap PE Cap — Kit | 100 |
| SC104101 | Blue PTFE/White Silicone + Natural Snap PE Cap — Kit | 100 |
| Part No. | Description | Pcs/Pack |
|---|---|---|
| S111 | White PTFE / Red Silicone Septa, Φ11×1 mm | 100 |
| S112 | Red PTFE / White Silicone Septa, Φ11×1 mm | 100 |
| C111 | 11 mm Crimp Aluminum Cap, 5.5 mm Centre Hole | 100 |
| SC111111 | White PTFE/Red Silicone + Aluminum Crimp Cap — Kit | 100 |
| SC112112 | Red PTFE/White Silicone + Red Aluminum Crimp Cap — Kit | 100 |
| SC112113 | Red PTFE/White Silicone + Blue Aluminum Crimp Cap — Kit | 100 |
| SC112114 | Red PTFE/White Silicone + Gold Aluminum Crimp Cap — Kit | 100 |
| SC115111 | PTFE / Red Rubber + Aluminum Cap — Kit | 100 |
| Part No. | Description | Pcs/Pack |
|---|---|---|
| SA001 | Blue PTFE / White Silicone Septa Φ17.5×1.5 mm (18 mm) | 100 |
| SA002-II | Red PTFE / White Silicone Septa Φ17.5×1.3 mm (18 mm) | 100 |
| SA003-II | White PTFE / Transparent Silicone Septa — For SPME (18 mm) | 100 |
| SA004 | Gray PTFE / Red Butyl Septa Φ17.5×1.6 mm (18 mm) | 100 |
| SACA001 | Blue PTFE/White Silicone + 18 mm Magnetic Metal Cap, 8 mm hole | 100 |
| S201 | White PTFE / White Silicone Septa Φ20×3 mm (20 mm) | 100 |
| MS206 | Gray PTFE / Moulded Butyl Septa Φ20×3 mm | 100 |
| SC201201 | White PTFE/White Silicone + 20 mm Crimp Aluminum Cap, 9.5 mm hole | 100 |
| SBC201202 | White PTFE/White Silicone + 20 mm Blue Magnetic Crimp Cap | 100 |
Chemical compatibility varies with solvent concentration, temperature and molecular weight. Always validate septa choice with your specific analyte. ◆ = Compatible | Blank = Not recommended
| Solvent | PTFE Only | PTFE/Silicone | PTFE/Si/PTFE | PTFE/Red Rubber | Fluoro Rubber | PTFE/Butyl |
|---|---|---|---|---|---|---|
| Acetonitrile | ◆ | ◆ | ◆ | ◆ | ◆ | |
| Methanol / Ethanol | ◆ | ◆ | ◆ | ◆ | ◆ | ◆ |
| Hexane / Heptane | ◆ | ◆ | ◆ | ◆ | ||
| Toluene / Benzene | ◆ | ◆ | ◆ | |||
| THF | ◆ | ◆ | ||||
| DMF / DMSO | ◆ | ◆ | ◆ | ◆ | ||
| Acetic Acid | ◆ | ◆ | ◆ | ◆ | ||
| Chloromethane | ◆ | ◆ |
★ PTFE/Silicone/PTFE has same compatibility as PTFE-only until punctured. Contact us for fluorine rubber composite customization.
Syringe filters, crimpers, water analysis tubes, culture tubes, and reagent bottles
Sterile syringe filters for critical applications requiring sterility.
Nylon / PVDF / PTFESterile
Precision hand crimpers and decrimpers for 11 mm and 20 mm caps.
AJRC11 / AJRC20Economy Type
FTU water analysis tubes for turbidity measurement.
FTU TestingTurbidity
GL25–GL45 round reagent bottles for laboratory use.
25 mL – 10 LGL25 / GL45
Wide mouth round bottles with GL80 screw caps.
100 mL – 20 LGL80 Cap
Space-saving square reagent bottles with screw caps.
25 mL – 5 LSpace-saving
Traditional ground glass wide-mouth reagent bottles.
25 mL – 5 LGround Glass
Blue PP racks for 1.5 mL and 4 mL vials. RV020 Vial Rack for Headspace Vial, Φ24mm, white, 40 Holes. RV040 Vial Rack for Storage Vial, Φ24mm, white, 40 Holes.
RV001 / RV002RV020 / RV040
13 mm and 16 mm screw culture tubes for microbiology.
13 mm / 16 mmMicrobiology
High temperature GC septa rated to 340°C for gas chromatography.
340°C RatedGC ApplicationA quick reference to help you select the right consumable for your application
From 8-425 narrow-bore to 24-400 environmental—every standard format covered, with precision inserts to recover every last microlitre of precious sample.
| Thread / Format | Nominal Volume | Outer Diameter × Height | Opening ∅ (mm) | Typical Instruments | Glass Grade | Best For |
|---|---|---|---|---|---|---|
| 8-425 (ND8) | 1.5 mL | 11.6 × 32 mm | 4.1 | Waters Alliance, Acquity UPLC | 5.0 / 7.0 | Narrow-bore UPLC / LC-MS |
| 9 mm Short (ND9) | 1.5 / 2.0 mL | 12.0 × 32 mm | 5.7 | Shimadzu, most universal | 5.0 / 7.0 | General HPLC, widest compatibility |
| 10-425 (ND10) | 1.5 mL | 12.0 × 32 mm | 6.0 | Thermo Scientific, Varian | 5.0 / 7.0 | Wide-opening — easy pipetting |
| 11 mm Snap (ND11) | 1.5 mL | 11.6 × 32 mm | 7.0 | Agilent 1100 / 1260 / 1290 | 5.0 / 7.0 | High-throughput snap-top closure |
| 11 mm Crimp (ND11) | 1.5 mL | 11.6 × 32 mm | 7.0 | Agilent 1100 / 1260 / 1290 | 5.0 / 7.0 | Volatile samples, secure seal |
| 13-425 (ND13) | 4.0 mL | 15.0 × 45 mm | 8.5 | Universal | 5.0 / 7.0 | Larger sample volume storage |
| 15-425 (ND15) | 8 / 12 mL | 22.5 × 46 / 65 mm | 10.5 | Universal EPA | 5.0 | Storage, environmental prep |
| 24-400 (ND24) | 20 – 60 mL | 28 × 57 – 100 mm | 18.0 | EPA Methods | 5.0 | EPA VOC / environmental sampling |
| 18 mm HS Screw | 10 / 20 mL | 22.5 × 46 / 75 mm | 12.0 | Perkin-Elmer TurboMatrix, Agilent 7697 | 5.0 | GC Headspace analysis |
| 20 mm HS Crimp | 6 – 20 mL | 22.5 × 26 – 75 mm | 11.5 | Agilent 7697A, Waters HT-2 | 5.0 | GC Headspace, Karl Fischer |
Glass micro-insert permanently fused to vial base. Near-zero dead volume ensures full analyte recovery. Eliminates insert float — ideal for robotic autosamplers.
350 µL capacity Base-bonded ND8 / ND9 / ND11
V-bottom taper concentrates sample to the tip. Drop into any 1.5–2 mL vial. Ideal for precious samples where residual volume must be minimised.
150 / 250 µL V-bottom Universal fit
Spring-loaded conical insert ensures positive bottom contact, eliminating float and maintaining consistent needle penetration. Compatible with robotic autosamplers.
IP150 — 150 µL / 8-425 IP250 — 250 µL 9 mm vials · 10-425 vials · 11 mm Snap · 11 mm Crimp
Straight-walled cylindrical insert for samples that do not require volume concentration. Stable positioning in standard vials.
300 µL Flat-bottom Universal fit
8.2 × 40 mm inner glass tube fits larger outer vials. PE plug seals the opening. Available in glass and polypropylene.
1 mL V181 / V183 Glass & PPThe wrong vial material can adsorb or leach analytes, distorting your results. Choose the glass grade and surface treatment that matches your chemistry.
Standard for most HPLC and GC applications. UV-transparent; visual inspection of sample is possible. Broad solvent compatibility.
Filters UV/Vis light (< 450 nm) to protect photosensitive analytes such as vitamins, pigments, and certain pharmaceuticals.
Trimethylsilyl (TMS) surface treatment eliminates active silanol groups — critical for preventing adsorption of basic compounds, peptides, and low-ng/mL analytes.
Chemically inert to strong acids, bases, and many polar solvents. Low extractables, ideal where glass may introduce metal ions or surface activity.
Outstanding UV transparency down to 220 nm. Autoclavable to 121 °C. Extremely low extractables — suitable for trace-level and pharmaceutical applications.
| Analyte / Compound Class | Clear Glass (5.0) | Amber Glass (5.0) | Silanized Glass | Polypropylene | Recommendation |
|---|---|---|---|---|---|
| Basic drugs / amines | High | High | Low | Low | Silanized glass or PP |
| Peptides / proteins | High | High | Medium | Low | PP or silanized glass |
| Acidic compounds (NSAIDs, etc.) | Low | Low | Low | Low | Any glass or PP |
| Metal ions / cations | Medium | Medium | Low | Low | PP (avoids glass silanol leaching) |
| Neutral organics / HPLC | Low | Low | Low | Low | Standard 5.0 glass |
| Photosensitive analytes | High | Low | Low | N/A | Amber glass or black PP |
| Ultra-trace LC-MS/MS (< 1 ng/mL) | High | High | Low | Low | Silanized glass — best recovery |
Screw, crimp, and snap closures each offer distinct trade-offs in sealing performance, re-usability, and throughput. Understand the difference before you order.
A number like "9-425" or "13-425" encodes two pieces of information per the GPI/SPI standard:



| Feature | Screw Cap | Crimp Cap | Snap Cap |
|---|---|---|---|
| Sealing integrity (pressure) | ★★★★ | ★★★★★ | ★★★ |
| Volatile sample retention | ★★★★ | ★★★★★ | ★★ |
| Re-usability / re-capping | ★★★★★ | ✗ Single-use | ★★ |
| Capping speed | ★★★ | ★★ | ★★★★★ |
| Tool required | None | Crimper (AJRC11 / 20) | None |
| Best application | HPLC / LC-MS multi-injection | GC Headspace / volatile | Non-volatile, high-throughput |
| Cost | Medium | Medium + tool cost | Low |
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