Sterile / Non-Sterile
Test Tube Caps
We have various caps available, including Kim Rak, Kim Kap, and NMR tube caps that are suitable for many uses and provide a tight and secure seal within the laboratory. Some stainless steel closures can provide storage for long periods.
Depending on the sample access requirements, snap caps, and flange caps can provide a secure seal with minimal effort. Consider the tube, sample, and level of protection required to ensure the integrity of your results.
Polypropylene Open-Top Screw CapsDWK Life Sciences (Wheaton)
Bonded Teflon®-Faced Silicone Liners White autoclavable open-top caps have a bonded Teflon-Faced Silicone Liner making them ideal for storage and retrieval of volatile solvents, sensitive compounds and corrosive chemicals. The liners consist of 0.055” of Silicone and 0.005” of…
Screw Caps for External Threaded 2D SAFE® TubesLVL technologies
• Material: Low Binding Virgin Polypropylene • Best sealing capability thanks to our patented, highly reliable two-point TPE (thermoplastic elastomers) compression in the LVL screw cap. The sealing points are located on the inner wall and on the upper edge of the tube. This highly…
White Bouffant CapInternational EnviroGuard
This polypropylene bouffant provides a particulate barrier and helps prevent hair from contaminating a product or work environment. A low-linting, lightweight cover restrains hair and offers great ventilation, so you stay cool over long hours. This product is designed to protect against dirt,…
White Polypropylene Hole Caps with bonded PTFE/Silicone Septa provide assurance that the septa will not slip away from the cap while injecting. The PTFE/Silicone septa has excellent resealing and chemical resistant properties.
Caps, Bottle, GL-45 or GPI-38Chemglass
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…
Certified ULTRAPure Septa 9mm Screw CapsMicroLiter
MicroLiter Certified ULTRAPure Septa caps ultra-low bleed silicone inserts friction fit into 9 mm natural polypropylene caps are available in non-silted and silted versions. Ultra-low bleed blue/ teal silicone Shore A is laminated to white PTFE film, 1 mm thick. Note: pictured on vial,…
White Polypropylene Cap With Teflon LinerDWK Life Sciences (Wheaton)
Ideal for high purity chemicals, strong acids, solvents Excellent for environmental samples, pharmaceuticals and diagnostic reagents Teflon-faced foamed polyethylene liner offers the excellent chemical resistance of Teflon with the compressibility and sealing properties of polyethylene foam.
Disposable full coverage bouffant cap. Available in medium and lightweight and cool/breathable polypropylene fabric. Trimmed with a latex free elastic band for a comfortable snug fit. Available in Blue (medium and light weights) and Green (lightweight). Size: 21 Inch
MicroLiter 20mm crimp top seals are available in multiple colors and septa types.
XtraClean Bouffant CapsXtraClean® (a Thomas Scientific Brand)
XtraClean pleated bouffant caps are made of a lightweight and soft, virgin polypropylene material. Machine-made, pleated style features double-sewn elastic for added strength and secure fit. Ideal for use in food preparations, pharmaceutical manufacturing and other light industrial…
AlteCap™ Switch, Semi-Automated DecapperAltemisLab
AlteCap™ Switch Semi-Automated Screw Cap Handling The only decapper capable of switching between 6, 8 and 12 formats. Quickly cap, decap or recap tubes by column or row. Featuring interchangeable cap driver cassettes for easy processing of different screw cap tube types and tubes…
Black Phenolic CapsDWK Life Sciences (Kimble)
Screw threads Choice of six liners
PolyCone Lined Phenolic CapsQorpak
PolyCone Lined Phenolic Caps form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding and backing off. Great for everything from…
Black Phenolic Screw CapsDWK Life Sciences (Wheaton)
Tefon®-faced (14B) rubber liners Autoclavable caps are designed to ensure the ultimate in product safety. The liners are made of a nontoxic white styrene-butadiene rubber and are faced with Teflon® which offers excellent chemical resistance. They are available in convenient lab pack quantities…
MicroLiter's 11mm AlumiTin crimp-top autosampler vial seals are available in multiple colors and septa types.
Sealing Caps Oak Ridge™ PP / Silicone 63 mmThermo Scientific Nalgene
Thermo Scientific™ Nalgene Sealing Cap Assemblies ensure leakproof service of Nalgene centrifuge bottles at their recommended maximum rated speeds. They are also recommended for use when spinning hazardous materials.
Black Phenolic Cap With Rubber LinerDWK Life Sciences (Wheaton)
Resistant to moisture vapor Chemical barrier Autoclavable Caps have excellent properties of resilience. The 14B white rubber lining material consists of homogeneous sulfur cured styrene-butadiene rubber. FDA Status complies with 21CFR 177.26, "Rubber articles intended for repeated use."
ProClean® 1 Bouffant CapsDuPont
DuPont ProClean® 1 bouffants are made to the high quality standards you have come to expect from DuPont. Each ProClean® 1 bouffant is made from spunbond polypropylene fabric. 21 or 24" diameter opening Elastic headband One size fits most Multi Pack Dispenser: 75…
33MM Solid Polyethylene CapCorning
This replacement cap can be used on all High Yield Performance HYPER Flasks (Cat. No. 10020, 10024, 10030, 10034) 33mm threaded cap Solid cap is used in closed systems or applications where venting is not necessary Sterilized by gamma irradiation Disposable
Black Caps with PTFE-Faced Rubber LinersDWK Life Sciences (Kimble)
Excellent for general laboratory use Specially formulated phenolic resin and liner adhesive to withstand the effects of repeated autoclaving PTFE-faced/general purpose white rubber liners are highly resistant to chemical effects Identified in ASTM Specification E982, Class A requirements
Screw cap for 5.0 ml MacrewTube™ Microcentrifuge tubes. Polypropylene. RNase, DNase, Pyrogen and DNA free. Autoclavable. Temp range +121 °C to -196 °C.
Black Phenolic Polyseal™ Cone Lined Caps form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding, and backing off.
These reusable Corning® caps are fabricated specially formulated phenolic resin to resist the effects of temperature and steam in autoclaving. Caps are provided with a glued-in white rubber liner.
Mobile Phase HPLC Cap SystemsChemglass
The new and improved CG-1167 HPLC Cap system provides the safest and most economical way of storing high performance, low pressure liquid chromatography mobile phase, sparging preventing bubbles from entering the system as well as collecting sample waste.The bottle is blue tinted plastic coated…
Cleanroom Bouffant Caps, Polypropylene, 21"XtraClean® (a Thomas Scientific Brand)
Made of 100% virgin polypropylene fabric with a latex-free elastic band. Weighs approximately 10 grams and packaged in a Class 100 compatible environment. Packed in sealed polyethylene bags and a separate inner-case poly-bag liner Measures 21 inches in diameter. Available in Blue or White.
Test Tube CapperSP Bel-Art
Eliminates fatigue and soreness of hands and fingers from the repetitive task of applying test tube caps. Test Tube Capper fits comfortably in the palm of your hand. Use tip to apply pressure and securely cap tubes. Capping can be performed with test tubes in a rack or while being held in…
Polypropylene Bouffant CapsKeystone Safety
Lightweight Polypropylene Bouffant Cap - 100% Latex Free.
VersaCap Adapter InsertFoxx Life Sciences
The 50mm closed adapter is designed to be used with the 50mm open VersaCap. It enables the user to change the top connections creating a closed system. The adapter is molded from USP Class VI, FDA Grade material, and is autoclavable. The adapter is designed to be leakproof and comes with a…
Blue polypropylene vented cap has a 0.22µm PTFE hydrophobic membrane to allow gas exchange while preventing contamination. They are autoclavable at 121°C. Must be used with our 70mm silicone gasket
NMR Tube Pressure CapsDWK Life Sciences (Kimble)
A tight-fitting, polyethylene cap which stays in place even with a build-up of internal vaporization pressures.
Beaker Silicone LidDWK Life Sciences (Kimble)
The reusable KIMBLE® silicone lids stretch easily and adapt to many container sizes, improves lab safety, enhances sample management, offers a more sustainable and cost-effective solution over foils, films and other single-use covers.
Heavyweight Polyester HairnetsSafety Zone
Material: Polyester Size(s): 18” - 32” Pack: 100/BG, 10BG/CS Acceptances: All Safety Zone components comply with the provisions of the Federal Food, Drug, and Cosmetic Act which allow repeated use in direct contact with food.