There is a soft silicone gasket coated with a Teflon layer between the screw thread top and screw cap which gives good sealing. This kind of cuvette is ideal for syringe work and GC/HPLC/MS customers. We also have stock replacement septum cap and closed cap.
Pre-slit and bonded septa options are available. Our AVCS™ caps incorporate Advanced Vial Closure System technology to ensure optimal seal compression when closing a vial. Use AVCS screw caps with our SureStop™ vials for effective seals, consistent data, and increased sample throughput.
Tube Caps and Closures. Plugs and caps of various material compositions, sizes, colors, and closure types to fit a wide range of tube types; may be sterile, non-sterile, and/or autoclavable; may possess leak-preventing features including O-rings and cap liners.
Square PETG Media Bottles with Septum Closure: Sterile, Shrink-Wrapped Trays Thermo Scientific Nalgene Thermo Scientific™ Nalgene Square PETG Media Bottles are durable, break-resistant, and feature a septum closure for aseptic syringe dispensing or addition of supplements.
Qorpak provides one of the widest selections of Caps, Closures, and Lids available. Select from a wide variety of metal and phenolic, thermoset, and polypropylene plastic bottle caps, jar lids, and other closures with an array of lining systems to fit your application and container.
Vial inserts are used to reduce the capacity of the vial to accommodate smaller samples. Typically 150 to 400µL in volume, they may be made of glass, plastic, or a combination of materials. Closure options include those with and without septa, snap caps, screw caps, and crimp top caps.
Our closures with septa are made in a wide variety of sizes and materials ensuring you have the right combination for your sample type and analysis temperature. Each product is manufactured using strict quality control standards resulting in consistent cap dimensions with septa which may be certified for higher purity grades.
This cap is a universal screw cap. Screwing the cap applies a mechanical force that squeezes the septum between the glass rim and the cap. This kind of cap forms an excellent seal, mechanically holding the septum in place during the piercing process. Screw caps require no tools for assembly.
Available in a variety of types, many with specific applications, common bottle closures include: caps, stoppers, stopcocks and associated accessories, such as O-rings, inserts and septa. Manufactured from numerous materials, bottle closures can are typically made of polypropylene, polyethylene, glass or cork. Bottle closures are available with
Thermo Scientific Advanced Vial Closure System (AVCS) caps are polypropylene caps that are compatible with all 9 mm short thread screw vials, although we recommend that they are used with our Thermo Scientific SureStop vials to get maximum benefit of the two technologies.
The septum is mechanically held in place by the screw cap during the piercing and this easy, efficient process does not require any tools for assembly. The LCMS Certified Clear Glass 12 x 32 mm Screw Neck Total Recovery Vial’s Pre-slit PTFE/Silicone septa offers many benefits.
The PFTE/Silicone septum of the LCQC Certified Clear Glass 12 x 32 mm Vial offers an operating temperature of -40˚ C to 200˚ C. It is ideal for multiple injections and sample storage while displaying outstanding resealing characteristics. The vial comes with a universal screw neck cap that offers an excellent seal and holds the septum in
Waters offers a selection of cap, septum, and assembled cap/septum for various vial sizes. The range of septum material is limited to PTFE, silicone / PTFE, and polyethylene septumless caps. Specifications Certified Not Certified Closure Type Screw Neck Cap Color Black Seal Material PTFE/Silicone Includes Cap & Septum UNSPSC Application
mm snap or crimp cap 40% larger opening than the standard narrow opening vials Easy way to seal vials without crimping. A consistently secure seal outperforms the loose fit of other snap caps. A variety of snap caps with septa are available for use with wide opening snap top vials.
Certified Supelco ® vials, caps, and septa ensure minimal contamination and an air-tight seal. Mininert ® Valves Mininert ® valves are highly dependable, leak-tight closures for screw top vials, crimp top vials, and other laboratory containers. Precleaned Vials
