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Tube Caps and Closures

Plugs and caps of various material compositions, sizes, colors, and closure types to fit a wide range of tube types; may be sterile, non-sterile, and/or autoclavable; may possess leak-preventing features including O-rings and cap liners.
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1 – 15 of 21 results
1

Thermo Scientific™ Nalgene™ Centrifuge Tube Sealing Cap Assemblies
GREENER_CHOICE

Process tubes at their highest rated speed level (10,000 x g or greater) without leakage, even when full with these sealing cap assemblies.

Description Sealing cap assembly
Product Type Centrifuge Tube Cap
No. per Case 2
Material Polypropylene, ETFE, Fluoroelastomer
No. per Pack 2
Autoclavable Autoclavable
Product Line Nalgene™
2
Promotions Available

Thermo Scientific™ Nalgene™ Sealing Caps for Oak Ridge Centrifuge Tubes
GREENER_CHOICE

Use these sealing caps to ensure leakproof service of centrifuge bottles at their recommended maximum rated speeds.

Description Sealing Caps for Oak Ridge Centrifuge Tubes
Product Type Centrifuge Tube Cap
No. per Case 2
Material Polypropylene, Rubber
No. per Pack 2
Autoclavable Autoclavable
Product Line Nalgene™
3

Thermo Scientific™ Nalgene™ Friction-Fit Polypropylene Closures for Plastic Centrifuge Tubes
GREENER_CHOICE

Use these friction-fit polypropylene closures featuring a convenient pull tab for easy removal from centrifuge tubes.

Description Designed to be compatible with Nalgene round and conical centrifuge tubes
Product Type Centrifuge Tube Cap
No. per Case 20
Material Polypropylene
No. per Pack 20
Autoclavable Autoclavable
Product Line Nalgene™
4

Thermo Scientific™ Nalgene™ Sealing Caps for Oak Ridge Centrifuge Tubes; PP screw closure, silicone gasket
GREENER_CHOICE

Ensure leakproof service at their maximum speeds >10,000 x g, even when full

Tip Material Silicone
Material Silicone
Autoclavable Autoclavable
5

Labcon™ Flat Style Caps for 50 mL Centrifuge Tubes

These flat style caps for 50 mL centrifuge tubes come conveniently packed in bags.

6

Corning™ 15mL Centrifuge Cap
BIOPHARMA GREENER_CHOICE

The CentriStarTM Cap has a easy-on/easy-off flat top and offers advanced ergonomics with its wider knurls and roll-over edge design for easier gripping.

7

Corning™ 50mL Centrifuge Cap
BIOPHARMA GREENER_CHOICE

The CentriStar™ Cap has a easy-on/easy-off flat top and offers advanced ergonomics with its wider knurls and roll-over edge design for easier gripping. This leak-proof design comes with a revolutionary plug feature that virtually eliminates all see page when used under recommended conditions.

8

Labcon Plug Style Caps for 12 x 75 mm Culture Tubes
GREENER_CHOICE

Cap includes flutes to securely grip sides of tubes

EDGE
Disposable Single-use
Clean Claims ATP, RNase/DNase and Endotoxin Free (non-pyrogenic)
Length (Metric) 75 mm
Pre-sterilized No
For Use With (Equipment) Tubes
Product Type Tube Plugs
Closure Size 13 mm
Material Polyethylene
Certifications/Compliance ISO 9001:2015; FDA CFR21 GMP
For Use With (Application) Centrifugation; For Cell Culture and General Laboratory Use
Autoclavable Not Autoclavable
Sterility Non-sterile
9

Fisherbrand™ Sav-It™ Tube Closures
GREENER_CHOICE

Firm, leak-resistant seals protect personnel and samples

For Use With (Equipment) Test tubes, centrifuge tubes, specialty tubes, evacuated blood drawing tubes
Material Elastomer Copolymer
Autoclavable Not Autoclavable
Sterility Non-sterile
10

Thermo Scientific™ Microtiter Tube Plug Strip
GREENER_CHOICE

Seal 1.2mL microtiter tubes tightly for storage using these polyethylene plug strips.

Description 1.2mL Microtiter Tube 8-cap plug strip
For Use With (Equipment) Plug Strips
Color Natural
Autoclavable Not Autoclavable
11

Thermo Scientific™ Screw Cap Microcentrifuge Tube Caps
GREENER_CHOICE

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

Max. Torque Manual/Hand Torque: Standard: 0.125 lbsf.in to 2.5 lbsf.in; Metric: 1.412 Ncm to 28.24 Ncm. Automated/Robotic Torque Standard: 1.312 lbsf.in to 2.5 lbsf.in; Metric: 14.83 Ncm to 28.24 Ncm
Packaging 500 x pk, 10 pk x cs, 5000 x cs. Single Bagged. ZipLock bag.
Binding Property Low Nucleic Acid and Protein Binding & Low Enzyme Inhibition
Material Polypropylene,Ethylene Propylene
Max. RCF 25,000 x g
Temperature Range (Metric) Cold Storage: -80° to +95°C. Liquid Nitrogen: Short term Vapor Phase & Quick Flash Freeze acceptable, not recommmended for LN2 submersion storage
Autoclavable Not Autoclavable
12

Labcon Overfit Caps for Culture Tubes

Secure, liquid-tight seal for plastic and glass culture tubes. Available in sizes that fit 10 mm, 12 mm, 13 mm, and 16 mm round bottom culture tubes.

Disposable Single-use
Clean Claims ATP, RNase/DNase and Endotoxin Free (non-pyrogenic)
Pre-sterilized No
For Use With (Equipment) Culture Tubes
Product Type Overfit Cap
Packaging 1000/Bag, 10 Bags/Cs.
Certifications/Compliance ISO 9001:2015; FDA CFR21 GMP
For Use With (Application) Protocols that require centrifugation, agitation, and refrigeration
Autoclavable Not Autoclavable
Sterility Non-sterile
13

Labcon™ Plug Style Caps for 17 mm Dia. Culture Tubes

Plug style caps for culture tubes are free of endotoxins and come packaged in bags.

14

Labcon Dual Position Caps for 12 x 75 mm Culture Tubes, in Bags

Dual position aspirating cap for culture tubes. Fit popular 12 x 75 mm culture tubes.