15-425 Thread Caps with Septa
    • 15-425 screw caps
    • 15-425 screw cap size
    • thread caos with septa
    • closed top screw caps
    • caps with septa package
    15-425 screw caps

    15-425 Thread Caps with Septa

    Suitable for: 15-425 Screw Neck Vials
    Caps Material: PP
    Septa Material: PTFE / Silicone
    Septa Size: 13.5*1.5mm
    Cap Features: 9mm Centre Hole/Closed Top
    Color: Black or Customized
    product description


    15-425 black screw pp cap, silicone/PTFE septa


    Aijiren provides one of the widest selections of Caps, Closures, and Lids available. Select from a wide variety of metal and phenolic, and polypropylene plastic bottle caps, vial lids, and other closures with an array of lining systems to fit your application and container. We also feature dispensing caps, hole caps, septa, tube caps and vial caps.

    These polypropylene caps have excellent sealing characteristics and offer good chemical resistance including acids, alcohols, alkalis, aqueous products, cosmetics, and household oils. Polypropylene Hole Caps are known for good impact strength, cost effectiveness, and pliability. Septa sold separately.


    PTFE/Silicone Septa:

    High quality, pure silicone is laminated to PTFE to give a pure, highly inert septum with excellent resealing characteristics even after repeated punctures.

    PTFE/Silicone septa are the preferred product for use in most HPLC and GC applications where resealability and high purity are critical. Works well for applications where ease of needle penetration is important.

    Septa-silica gel has strong repetitive sealability, and it can maintain good close performance after multiple injections; PTFE is a material with better chemical conditions at present, and it can withstand strong acids and alkalis. The two materials After compounding, the bottle can be used for various laboratory purposes such as sealed sampling, chemical storage and so on. 

    Part No.



    White PTFE/Red Silicone Septa, Φ13.5*1.5mm


    Red PTFE/White Silicone Septa, Φ13.5*1.5mm


    Nature PTFE/Nature Silicone Septa, Φ13.5*1.5mm


    15-425 Black Screw PP Cap, 9mm Centre Hole


    15-425 Black Screw PP Cap, Closed-top


    White PTFE/Red Silicone Septa, 15-425 Black Screw PP Cap, 9mm Centre Hole


    Red PTFE/White Silicone Septa, 15-425 Black Screw PP Cap, 9mm Centre Hole


    Nature PTFE/Nature Silicone Septa, 15-425 Black Screw PP Cap, Closed-top

    Company Introduction

    1. Founded in 2007, Zhejiang Aijiren, Inc. specialized in chromatography consumables, such as autosampler vial for HPLC, headspace vial, GC vials, micro inserts, septa and caps, syringe filter, etc, covers more than 10000 square meters, and has clean workshop more than 2000 square meters. 100, 000 class cleaning room;  

    2. 15 years export experience, exprot to more than 70 countries, 2000+ customs around the world; 

    3. More than 10 years experience for automatic analytica technique

    4. Aijiren has own R&D Center and Quality Controll Center to keep products in high quality.

    5. All materials are produced at 100,000 grade clean room.

    6. Passed ISO9001:2015  quality management system certification, RoHS compliance can also be provided.

    How to confirm product quality before placing orders?
    After production, all articles are delivered to QC center, only qualified products can be release to the next procedure.
    Meanwhile, you are welcome to ask for samples for testing.
    How to star order or make payment?
    Proforma Invoice will be sent first after confirmation or order together with our bank infomations.
    Pay by T/T, Westren Union or Alipay.
    What is the charge standard about the Samples?
    1) For our first cooperation, free samples will be provide buyer afford the shipping cost.
    2) For our old customers, we will send free samples, even though new design samples, when have stocks.
    3) Samples delivery date is 24 to 48 hours, if have stocks. Customer design is about 3-7 days.
    Can you provide OEM service?
    Yes, we had already do OEM service for more than 4 world famous Brand in chromatography area.
    What is the MOQ?
    For vials, caps and syringe filters MOQ is 1pack(100pcs), for hand crimper/decrimper MOQ is 1pack(1pc).
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