15-425 Screw Caps & 13.5mm Septa | Lab-Grade HPLC/GC Closures
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Home > Products > 8-60mL EPA Storage Vials
    • 15-425 bottles and cap combinations
    • Closed 15-425 storage bottle cap
    • 15-425 lid pack
    • 15-425 lid pad combo pack
    15-425 bottles and cap combinations
    15-425 bottles and cap combinations
    Closed 15-425 storage bottle cap
    15-425 lid pack
    15-425 lid pad combo pack

    15-425-screw-caps -ptfe-silicone-septa

    Our 15-425 series utilizes ultra-pure medical-grade silicone bonded with a che
    Thread Size 15-425 Standard
    Septa Diameter 13.5*1.5mm
    Septa Material High-Purity PTFE / Lab-Grade Silicone
    Chemical Resistance Highly resistant to Organic Solvents
    Compatibility 8mL, 12mL Storage Vials
    Send Inquiry Chat Now
    Description
    Feature
    Specification
    Application
    Product
    FAQ
    Related Articles
    Packing and Delivery

    Material & Lab Standards

    Crafted from high-quality USP Type I Borosilicate glass, these vials provide excellent resistance to thermal shock and chemical leaching.
      The neutral glass surface ensures the integrity of sensitive samples during long-term storage.

    Sealing & Compatibility

    Ensuring Zero Leakage during Transportation
    15-425 standard thread ensures universal compatibility.
    Ribbed PP caps allow for easy handling even with gloves.
    Premium PTFE/Silicone septa for superior resealability.
    Designed to prevent solvent evaporation effectively.
    Ideal for both storage and sample transportation.

    Related products

    15-425 Screw Neck Storage Vials
    15-425 Screw Neck Storage Vials
    24-400 EPA screw neck vials for laboratory sample storage
    24-400 EPA Vials for Sample Storage
    24-400 screw caps and 22mm PTFE silicone septa kit for environmental testing
    24-400 EPA Vial Screw Caps 22mm PTFE/Silicone Septa for VOC Analysis

    Specifications

    13.5mm Analytical Septa (Replacement Liners)
    15-425 Standard Screw Caps (Polypropylene Closures)
    15-425 Cap & Septa Assemblies (Certified Kits)

    Optimized for high-purity replacement in laboratory workflows.

    Part No. Description Pcs/Pack
    S151 White PTFE/Red Silicone Septa, Φ13.5*1.5mm 100
    S152 Red PTFE/White Silicone Septa, Φ13.5*1.5mm 100
    S154 Nature PTFE/Nature Silicone Septa, Φ13.5*1.5mm 100
     Precision-engineered closures for 4mL to 12mL wide-opening vials.

    Part No. Description Pcs/Pack
    C151 15-425 Black Screw PP Cap, 9mm Centre Hole (Open-Top) 100
    C152 15-425 Black Screw PP Cap, Closed-Top (Solid) 100

     Ready-to-use combinations for HPLC/GC sample storage and analysis.

    Part No. Description Pcs/Pack
    SC151151-PS Pre-slit White PTFE/Red Silicone Septa, 13.5×1.5mm, Black Open-Top Cap 100
    SC151151 White PTFE/Red Silicone Septa, 13.5×1.5mm, Black Open-Top Cap 100
    SC151153 White PTFE/Red Silicone Septa, 13.5×1.5mm, White Open-Top Cap 100
    SC151152 White PTFE/Red Silicone Septa, 13.5×1.5mm, Black Solid Cap 100
    SC152151 Red PTFE/White Silicone Septa, 13.5×1.5mm, Black Open-Top Cap 100
    SC152153-I Imported Red PTFE/White Silicone Septa, 1.5mm, White Open-Top Cap 100
    SC152152 Red PTFE/White Silicone Septa, 13.5×1.5mm, Black Solid Cap 100
    SC152154 Red PTFE/White Silicone Septa, 13.5×1.5mm, White Solid Cap 100
    SC152154-I Imported Red PTFE/White Silicone Septa, 1.5mm, White Solid Cap 100
    SC152154-B Bonded Red PTFE/White Silicone Septa, 1.5mm, White Solid Cap 100
    SC152154-BD Bonded Red PTFE/White Silicone Septa, White Solid Cap (Domestic) 100
    SC152152-D Dual Red PTFE/White Silicone Septa, 13.5×1.5mm, Black Solid Cap 100
    SC154151 Natural PTFE/Natural Silicone Septa, 13.5×1.5mm, Black Open-Top Cap 100
    SC154152 Natural PTFE/Natural Silicone Septa, 13.5×1.5mm, Black Solid Cap 100
    SC154154 Natural PTFE/Natural Silicone Septa, 13.5×1.5mm, White Solid Cap 100
    SC153152 White PTFE/White Silicone Septa, 13.5×1.5mm, Black Solid Cap 100
    SC-B16152 1.6mm Butyl/PTFE Septa, 15-425 Black Solid PP Cap 100

    Industry Applications

    Versatile Solutions for Diverse Laboratory Needs
    Environmental Testing
    Environmental Testing
    Perfect for water and soil sample collection and transport for VOC analysis.
    Pharmaceutical R&D
    Pharmaceutical R&D
    Reliable container for drug stability studies and API sample archiving.
    Chemical Synthesis
    Chemical Synthesis
    Safe storage for intermediate compounds and synthesized chemical reagents.
    Biological Specimen
    Biological Specimen
    Suitable for long-term archiving of non-cryogenic biological extracts.
    Flavor & Fragrance
    Flavor & Fragrance
    Ensures zero cross-contamination for volatile oils and aromatic compounds.

    FAQ

    Expert answers on material compatibility, thermal resistance, and sealing standards to ensure laboratory compliance.

    What vial sizes are compatible with the 15-425 screw caps?

    What are the advantages of PTFE/Silicone septa over Butyl septa?

    When should I choose a "Pre-slit" septa (SC151151-PS)?

    Can these 15-425 caps be used for medical or clinical diagnostic applications?

    What is the difference between Open-Top and Closed-Top (Solid) caps?

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    Packing and Delivery

    Packing
    Packing
    Each vial is individually protected in shrink-wrapped trays, 100–200 pcs per inner box, then packed into corrugated export cartons.
    Labeling
    Labeling
    Each carton includes lot number and product information for traceability.
    Delivery Time
    Delivery Time
    Normally 7–15 working days after order confirmation.
    Shipping Options
    Shipping Options
    Air freight, sea freight, or express (DHL/UPS/FedEx) available upon request.
    Storage Condition
    Storage Condition
    Store in a clean, dry environment at room temperature.

    Company Profile

    Zhejiang Aijiren Technology Co., Ltd.
    A dedicated original manufacturer of chromatography and laboratory consumables.

    • 10,000+ m² modern facility with Class 100,000 cleanrooms

    • Automated production lines and rigorous in-house quality control

    • High-volume capacity, fast lead times, and reliable global supply

    • OEM/ODM customization with full batch traceability

    • Trusted by laboratories and analytical instrument brands worldwide

    VR Showroom

    OEM/ODM Custom Laboratory Consumables

    Aijiren turns your customized requirements—size, material, color, logo, or packaging—into reliable, ready-to-use products.
    OEM/ODM
    Precise manufacturing based on your drawings and specifications, with one-stop development support
    Confidentiality
    Full protection of all commercial information, molds, and designs
    Stable Supply
    Automated production ensures consistent quality and fast lead time
    Technical Support
    Dedicated team ensures smooth communication and hassle-free delivery

    FAQ From Customers (VR Display)

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    What kind of after-sales support does Aijiren provide?

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    Are you a factory?(VR Display)

    Welcome To Contact Us

    Share your lab consumables customization needs—reach out for personalized support and detailed inquiry responses today!
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    +86 183 3883 2256 Boonemi@aijirenvial.com
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    Tel: 008618338832256
    Whatsapp:+8618338832256
    Factory Add: NO.10 Bailing North Road,Qujiang District, Quzhou City, Zhejiang Province,China
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