Discover the Perfect Cap for Your Vials | Highest Quality | Large Selection
Not all caps are created equal. The key to optimal performance lies in the perfect seal between your autosampler cap and its companion vial. Ensure you choose the right brand and type match for the results you expect and deserve.
Screw Caps: Precision and Reliability.
Our Screw Caps are meticulously designed to match the thread and pitch of your vials, preventing leaks and evaporation. Every MicroSolv™ Screw Cap guarantees perfect alignment and performance when used with our vials. Our best-selling Soft-Guard™ brand of septa offer maximum pierce-ability, while our AQR™ Advanced Quality caps ensure the highest purity with virtually no detectable extractables, even in MS/MS applications.
Available in pre-slit, non-slit, bonded, fitted septas, or solid caps for HPLC, LC, MS, and GC. Choose from various colors, sizes, and tiers, including AQR™, AQ™, BASIK™, MicroSolv™, and Soft-Guard™ brands.
Snap Caps: Tailored for Performance
MicroSolv™ Snap Caps are crafted to fit perfectly with our Snap Top vials. Made from high-quality plastic, these caps offer variable pliability and precise sealing. Trust our Snap Caps to deliver consistent performance every time.
Polyethylene fitted, pre-slit, and non-slit septa snap caps in a variety of colors for Snap Top Vials. Available in AQR™, AQ™, BASIK™, MicroSolv™, and Soft-Guard™ brands.
Headspace Caps: 18 and 20 mm threads.
Crimp and Screw types, including magnetic options, for use with Headspace Vials. Compatible with Agilent™, CTC™ - Leap™, Perkin Elmer™, and Varian™ instruments.
Crimp Caps: The Ultimate Seal
For the longest-lasting seal, choose our Crimp Caps, designed for serum finish vials. These caps provide unmatched durability when crimped correctly. Note: Not recommended for Snap Top Vials.
Aluminum seals with chromatographic grade septa for 11mm, 13mm, and 8mm caps. Available in magnetic, various colors, and types.
Notes about our caps for HPLC and GC Vials:
Push Caps: Plastic caps designed for easy pressing onto vials, including 96 Position Vials and 96 Well Plates glass inserts.
Septa Only for Autoinjectors: Silicone/PTFE septa for chromatography caps. Caps are not included.
Soft-Guard™ Brand: Unmatched Penetration Resistance
Our Soft-Guard™ Screw Caps and Snap Caps are engineered for optimal penetration resistance and resealing, ensuring your autosampler operates at peak efficiency.
Septa: Handle with Care
Our range of septa is designed for various caps that are used in sensitive analysis, so remember to handle them with care. Always use non-powder gloves when removing from packaging and inserting into caps.
Ready to elevate your lab’s performance? Choose MicroSolv™ for unmatched value, quality and reliability in every cap and vial.
