Shop All Caps & Closures for Vials, Tubes, & Jars

Sterilin™ Silicone Rubber Discs (Thermo Scientific™)

Reduce opportunity for leakage in caps, injection ports and other applications. Translucent silicone material provides excellent performance over a wide temperature range.

Matrix™ ScrewTop Tube Caps, Cap Trays and Cap Inserts (Thermo Scientific™)

Simplify sample storage with these color-coded caps and inserts, available racked in trays or in bulk to suit a variety of applications.

PTFE-Lined Closed Caps (Thermo Scientific™)

PTFE-Lined Closed Caps are replacement caps for Thermo Scientific glass environmental sample bottles, jars, jugs and vials.

11mm Autosampler Vial Crimp Caps (Thermo Scientific™)

Minimize contamination from handling with pre-assembled caps and septa; compatible with most HPLC and GC autosamplers.

8mm Autosampler Vial Septa (Thermo Scientific™)

Septa for 8-425 Screw Thread Caps are constructed of PTFE, PTFE/rubber, or PTFE/silicone to suit a variety of applications.

9mm Autosampler Vial Screw Thread Caps (Thermo Scientific™)

Prevent septa push through and over- and under-tightening. With AVCS built into these 9mm screw caps you will get an optimal, consistent seal every time.

MicroAmp™ 12-Cap Strip (Applied Biosystems™)

MicroAmp® Cap Strips are designed to fit on MicroAmp® reaction tubes, tube strips, and 96-well plates. They are available in 8-cap and 12-cap strips in clear or an assorted set of red, orange, blue, and green. They have a domed profile and are suitable for end-point PCR. Attach caps using the MicroAmp® Cap Installing Tool.

• Will not interfere with sample reading
• Provides tight seal to minimize evaporation
• Easy to apply and remove

Minimize Evaporation
Use MicroAmp® Caps Strips to seal the tubes containing your precious samples. This will reduce the possibility of contamination among sample wells and help ensure reliable results.

Easy to Use
Use the MicroAmp® Cap Installing Tool to push the caps down and form a tight seal. When ready, just peel away the caps using the tabs at the end.

Colored for Organization
These caps are available in different colors to help you keep track of your tubes during assay preparation.

Domed PCR Caps, strips of 8, natural (Thermo Scientific™)

Thermo Scientific Domed PCR Cap, Strips of 8, Natural are compatible with 96-well PCR plates and standard and low profile strip tubes. The 12 strips have large end tabs for easy strip removal.

Features of Thermo Scientific Domed PCR Cap Strips

• Suitable for use with all 96-well PCR plates as well as standard and low profile strip tubes
• Large end tabs for strip removal (12 strips only)
• 25 packs of 12

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Domed PCR Caps, strips of 8
Domed PCR Caps, strips of 8, blue
Domed PCR Caps, strips of 8, green
Domed PCR Caps, strips of 8, purple
Domed PCR Caps, strips of 8, red
Domed PCR Caps, strips of 8, yellow
Domed PCR Caps, strips of 12

MicroAmp™ 8-Cap Strip, clear (Applied Biosystems™)

MicroAmp® Cap Strips are designed to fit on MicroAmp® reaction tubes, tube strips, and 96-well plates. They are available in 8-cap and 12-cap strips in clear or an assorted set of red, orange, blue, and green. They have a domed profile and are suitable for end-point PCR. For real-time PCR applications, please see our MicroAmp® Optical 8-Cap Strips (cat. no. 4323032), which have a flat-top profile. Attach the caps using the MicroAmp® Cap Installing Tool.

Features:

• Will not interfere with sample reading
• Provide a tight seal to minimize evaporation
• Easy to apply and remove

Minimize Evaporation
Use MicroAmp® Caps Strips to seal the tubes containing your precious samples. This will reduce the possibility of contamination among sample wells and help ensure reliable results.

Easy to Use
Use the MicroAmp® Cap Installing Tool to push the caps down and form a tight seal. When ready, just peel away the caps using the tabs at the end.

Colored for Organization
These caps are available in different colors to help you keep track of your tubes during assay preparation.

8mm Autosampler Vial Screw Thread Caps (Thermo Scientific™)

Available in an variety of styles to match your application. Pre-assembled caps and septa minimize contamination.

Screw Cap Microcentrifuge Tube Caps (Thermo Scientific™)

Prevent leakage under demanding conditions. These screw-cap tube caps with o-rings are optimized for secure short-term storage in low temperatures.

Flat PCR Caps, strips of 8 (Thermo Scientific™)

The Thermo Scientific Flat PCR Cap ,Strip of 8 are used for PCR applications and work with the Thermo Scientific 96-well PCR plates and strip tubes. These cap strips are available in either 8- or 12-cap strips. The Flat PCR Cap Strips signature flat cap allows you to label each sample..

Features of the Thermo Scientific Flat PCR Cap Strip

• 8- and 12-cap strips
• Suitable for use with 96-well PCR plates as well as standard and low profile strips
• Flat surface of each cap facilitates sample labeling
• 10 packs of 12

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Flat PCR Caps, strips of 8
Flat PCR Caps, strips of 12

Matrix™ SepraSeal and DuraSeal Capping Systems (Thermo Scientific™)

Accomodate a range of application and storage requirements. These flexible capping options allow automated piercing, visual identification and sterility preference.

I-Chem™ Loose Septa for 24-414 Open Top Caps (Thermo Scientific™)

Thermo Scientific™ Loose Septa are replacement septa for Thermo Scientific VOA vials and septa bottles with 24-414 open top caps.

9mm Screw Thread Caps - Routine Range (Thermo Scientific™)

Use Thermo Scientific™ 9mm Screw Thread Caps as closures for our 9mm Glass Screw Top Vials - Routine range.