Screw Caps in Disposable Cap Carriers

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Securely seal your storage tubes

With Micronic screw caps

48-well format disposable screw cap carrier with light green screw caps

Micronic offers screw caps in disposable cap carriers that are fully compatible with their automated screw cap (de)capping equipment. Based on the ANSI/SLAS standards, these screw cap carriers can accommodate 96-, 48-, and 24-well format internally or externally threaded screw caps.

A Micronic 96-well format rack with lid of push cap tubes in freezer

Product features

Optimal seal quality

The silicon O-ring on the internally threaded screw caps and the unique locking feature of the externally threaded screw caps provides the most optimal seal for ultra-low temperature storage.

Tube Compatibility

The internally threaded screw caps are compatible with 96-well (0.50ml, 0.75ml, 1.10ml ,1.40ml, and 2.00ml), 48-well (4.00ml), and 24-well (6.00ml) tubes and the externally threaded screw caps are compatible with 96-well (0.30ml, 0.40ml, 0.75ml, 0.80ml, and 1.40ml), 48-well (1.00ml and 4.00ml), and 24-well (3.50ml) tubes.

Automation Friendly

All Micronic screw caps are compatible with the Micronic capping and decapping equipment.


Micronic screw caps resist chemical solvents. All caps are produced in a class 7 clean room and are RNase/DNase and Pyrogen free.

  • Material Highest purity polypropylene or polyethylene
  • Temperature range Vapor phase LN2 to +100°C
  • Screw caps available in yellow, red, blue, light green
  • Other colors available upon request

Satisfied customers

That's why we do it

"At NBS Scientific I got quick and reliable responses to questions and appointments. All advice and attention was expertly given. We've been happily working together for over 2 years now. "

The Charles River Labs logo
Charles River Laboratories

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Want to learn more about the disposable screw cap carriers? Contact us today with your questions.

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Product downloads

  • Caps for Sample Storage Tubes Download

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