Test Tube Caps

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

Open and closed top closures and caps with thread 24-414 Due to their size mainly used as bonded closures for a firm fit of the septum Recommended for environmental analysis: screw closure with center hole and silicone / PTFE septum (702058) Closed top closures for sample storage Universal screw...

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...

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

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

Pre-assembled closure and septa minimize contamination from handling. Enhance your laboratory's precision and efficiency with the Chemglass Preassembled GPI 10-425 Septa Caps. These high-quality caps are designed to provide a secure seal, safeguarding your valuable samples and substances. Engineered...

Tip made of LDPE (Low Density Polyethylene) Extended controlled dropper tip dispenses one drop at a time Average drop size is 44uL

MicroLiter offers products for both LC and GC applications. Ensuring the integrity of your samples is paramount in every scientific experiment. With the 11mm Snap Caps that come with an integrated PTFE Septa, contamination is a thing of the past. These caps provide a secure fit for your vials,...

The Finneran solid top cap is used with vials to ensure tight sealing of the stored sample. It is mainly used in research laboratories or in chemical industries. This cap is made of sturdy polypropylene material which ensures long lasting usage and durability.

ChemoPlus™ IVA seals for bottles and vials are sterile seals that protect point of entry of IV admixtures from contamination and accidental double dosing. Packaging is USP 797 compliant. Liner, dispenser and core are non-linting and can easily be wiped down. They have a dual warning system in...

O-Rings for Nalge # DS3132-series Sealing Caps

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