Test Tube Caps

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.

Enhance your laboratory's sample storage and protection with these high-quality Caps for Screw Thread Vials. Designed for precision and durability, these caps provide a secure seal for vials, ensuring the integrity of your samples. Whether you're storing biological specimens or chemical solutions,...

These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available in...

Designed for standard screw thread vials. Available with or without septa. Easy on and easy off convenience with a twist of the cap that produces an evaporation proof seal. Larger opening provides a increased target area for needle penetration. Application: Designed for Standard Screw Thread Vials

SAFE® 96 Internal Thread Screwcaps for MI500 and LI1000 Purple Bulk Production Sterile Large Case, 4800 Caps per case

Agilent Headspace caps and septa are available in screw or crimp top. Agilent Technologies products are intended for sale/shipment within the US only. International customers should contact their local Agilent Technologies distributor to place orders for Agilent Technologies products.

These caps, made of polypropylene, are ideal for use with volatile solvents, sensitive compounds, and biological media. The SURE-LINK process welds each cap with a Polypropylene/PTFE/Silicone liner bonded to the cap. This process allows the cap to maintain seal through multiple autoclaving...

Offered by DWK Life Sciences (Wheaton), these Plastic Sample Vials are designed with precision for secure storage and transport of your valuable samples. Ideal for a wide range of applications, they are made from high-quality, durable plastic, ensuring long-lasting performance. The vials come with...

13-425/13-425 CONNECTION, BLK PHEN

Secure your scientific samples with unparalleled protection offered by Thermo Scientific Nalgene's Colored Polypropylene Closures. These closures, which are colored for ease of identification, are crafted from durable polypropylene, ensuring longevity and resistance to wear. With a specification of...

Automated 96/48/24-Channel Capper/Decapper Fully-automated 96/48/24 channel premium capper/decapper Process a full rack of tubes Caps can be held or placed on a cap rack Can be operated as an integrated and standalone device Touchscreen panel provides easy navigation through the system...

Six styles of caps to choose from and two sealing types: O-ring seal and lip seal. The cap is molded with a deep internal lip that fits snugly against the interior wall of the tube thus preventing the contents from coming in contact with the seal or threads, thereby reducing the chances of sample...

MicroLiter's 11mm AlumiTin crimp-top autosampler vial seals are available in multiple colors and septa types.

For pharmaceuticals, specialty chemicals and food ingredients, this jar lid protects your valuable products from moisture, from contamination, and against tampering, ensuring your hazardous solids arrive safely at their destination. The quarter-turn screw lid closure reduces handling time.

For use with Globe Scientific's 6030 to 6059 sample tubes with external threads. Globe Scientific presents the innovative solution for secure sample storage with their Screw Caps for Sample Tubes. Made with precision and high-quality materials, these caps provide an optimal seal to prevent leakage...

Dropper Assemblies feature a glass tube with black polypropylene closure and rubber squeeze bulb. The opening of tube tip has a 3.0mm outside diameter. These dropper caps are available in multiple sizes with dropper tubes in multiple lengths.

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

Innovative flanged-thread design allows cap to descend into the tube until a friction fit is secure and plug is stationary Fit tubes with 12 to 16 mm diameter Hollow top finish with ribs for easy retrieval

Available in multiple colors and package sizes. Ideal for use in demanding laboratory environments, these 9mm Screwthread Autosampler Vial Caps offer reliable sealing performance and high chemical resistance. Constructed with PTFE/Silicone/PTFE Septa, they ensure a secure and leak-proof seal,...

Pulp/Vinyl Lined Polypropylene Caps are commonly used for food, beverage, medical and chemical applications packed at less than 120° F., including mild acids, alkalis, solvents, alcohols, oils and aqueous products. Polypropylene caps are known for good impact strength, durability, cost...

20-400 I-LOC CAP, PP YLW

SAFE® 24 External Thread Screwcaps for XXLX 2000, XXLX 4000, XXLX 6000 and XXLX 8000 (External Thread) Purple Bulk Beta Sterile Large Case, 1200 Caps per case

Features large knurls for ergonomic handling Contains hydrophobic membrane for applications requiring gas exchange Sterilized by gamma radiationDoes not fit 490cm² roller bottles .

Black phenolic screw cap 14B Rubber lined caps feature a nontoxic white styrene- butadiene rubber liner ideal for cell culture work GPI thread: 8mm-425 Autoclavable Case of 1000