Test Tube Caps

Closure System for 2D SAFE® Tubes: Screw Caps IT: To guarantee a tight sealing between Screw Cap and Tube, LVL uses a TPE compression, which forms an indissoluble unit with the polypropylene of the screw cap in the two-component process. The result: the leak-tightness of the tubes was tested...

Enhance your laboratory's efficiency and safety with the Chemglass PTFE NPT Plugs. Manufactured from polytetrafluoroethylene, these plugs offer superior durability and chemical resistance, perfect for rigorous lab applications. Their design fits seamlessly with NPT fittings, ensuring a secure seal...

Black Phenolic Screw Caps are manufactured from specially formulated phenolic resin to resist the effects of temperature and steam autoclaving. They have a non-toxic white rubber liner for all general culture applications.

Septa firmly connected with cap; cannot be removed. Broad variety of closures and caps in different colors Closed top closures with different septa materials for sample storage 9 mm screw cap suitable for almost all autosamplers due to its design in form of a crimp cap Thread design not...

Screw cap for 5.0 ml MacrewTube™ Microcentrifuge tubes. Polypropylene. RNase, DNase, Pyrogen and DNA free. Autoclavable. Temp range +121 °C to -196 °C.

Ensure the safe and secure storage of your laboratory samples with National Scientific's precision-engineered cap screws. These 18mm white cap screws are specifically designed to offer a tight, reliable seal on a variety of bottles, reducing the risk of contamination or spillage. Crafted from...

Safe and easy-to-use button-top aluminum seals allow one-handed operation. Autoclavable Tamper evident No sharp metal edges

Take less time to wipe down then equivalent single tip-cap packages Minimize touch-contamination risk and protect the contents of the syringe during transportation Allow for multiple syringes to be capped during batch preparation Feature latex free caps BD products are intended for sale/shipment...

28-400 CAP, PP WHT, FMD PE LNR

Green Caps fit empty 2mL FastPrep Tubes and are used in Fastprep systems to hold sample for Homogenization. Available separately for those who wish to fill their own Lysing Matrix Tubes. Colored screw cap with o-ring.

Ready assembled crimp closures N 11 and plain caps with no liner Closures available with a broad variety of septa materials and most of them also with different cap colors All high end (PTFE/)Silicone/PTFE, cross- or unslit septa material has been physically and analytically been tested prior to...

Ensure the utmost security and integrity for your lab samples with MicroLiter's Screw Thread Caps & Septa. Designed with precision and durability in mind, these components are the gold standard in laboratory bottle accessories. The screw thread caps offer an unbeatable seal, preventing contamination...

Stress crack resistant Superior torque retention Excellent sealing characteristics Manufactured from LDPE. The unique cone design provides a wedge type seal that not only seals across the top but also across the inside diameter.

Ready assembled open and closed top black screw closures 13-425 and plain caps with no liner Closures available with a broad variety of septa materials For single septa, especially PTFE virginal septum, please see appropriate section Red Rubber / FEP septum for routine analyses; for more demanding...

20-400 CAP, PP BLU, CLSD, UNLINED

These convenience packs come with 100 bonded closures and vials packed seperately. Closures with bonded septa are not attached.

Pre-assembled caps and septa are convenient and minimize contamination from handling SepCaps are single piece all polypropylene caps with an integrally molded septum Phenolic resin caps perform well at high temperatures and exposure to corrosives Phenolic and urea storage caps are suitable for long...

The manual 96-Channel Capper for push cap mats as desktop-device. One process seals a complete SBS rack with push caps Variable rack heights available   Thomas No. 1148R96 Semi-automated Push Cap Sealer Semi-automated 96 channel sealer for push caps (only for internal threaded tubes) One...

Made from polyethylene, these caps are sized to fit 5mm O.D. NMR sample tubes. Cap fits tightly to stay in place during increased internal vaporization pressure. Available in a pack of 100, or in a convenient divided polypropylene box having 100 each of the 6 listed colors.

MicroLiter offers products for both LC and GC applications.

Manufactured from red PTFE silicone. Ideal for screw thread vials. Specifications: Autoclavable Size: 8-13mm Case Quantity: 1000

Corning® Erlenmeyer Flask Aseptic Transfer Caps are sterile (10 -6 SAL), individually double bagged and fit the 2L Corning® Polycarbonate Erlenmeyer flasks. These aseptic transfer caps can also be used on Corning 850 and 1700cm 2 plastic disposable roller bottles. Venting port ends in a 50mm...

Excellent for Culture Tube and Flask Closures. 305 Stainless Steel, Non-Corroding. Lanced fingers grip firmly after repeated autoclaving.