Test Tube Caps

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.

An inexpensive bottle cap for either GL-45 or GPI-38 threads that permits standard solvent or media bottles to be used as an HPLC reservoir. Caps have two holes to accomodate 1/8" tubing and one hole that accepts a standard luer inner joint. Caps are made from polypropylene and the inserts are...

For use with 18mm screw necks, 13-18mm Culture Tubes, 18-25mm Culture Tubes, 38mm Culture Tubes, 25-50ml Erlenmeyer Flasks, 125-300ml Erlenmeyer Flasks, 500-1000ml Erlenmeyer Flasks, 25-125ml DeLong Flasks and 250-6000ml DeLong Flasks. Sealed-in Silic

11 MM SNAP CAP, PE CLR, TFE/SIL LNR

(This is the Suggested Replacement for: 3332 ) Designed to fit pre-existing filling systems for other product brands 33mm polyethylene threaded cap Vented overcap has 0.2 µm PTFE membrane sealed into the peelable foil cover Sterilized by gamma irradiation Double bagged Disclaimer: This product...

MicroLiter 20mm crimp top seals are available in multiple colors and septa types.

Designed for optimal performance in various laboratory applications, this 18 mm Silver Screw Cap features a blue silicone and white PTFE lining with a thickness of 1.3 mm. Its robust construction helps ensure a secure seal, safeguarding contents from contamination or leakage. The non-reactive...

Manufactured from red PTFE silicone. Ideal for screw thread vials. Specifications: Autoclavable Material: Ptfe Silicone Size: 9mm Septa Thickness: 0.040" Case Quantity: 1000