Screw Caps Internal Thread

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Securely seal your storage tubes

Preserve the integrity of your samples with Micronic screw caps

Micronic Screw Caps for internally threaded tubes securely seal tubes for long-term sample storage at ultra-low temperatures. To meet the diverse needs of different researchers, Micronic offers a range of sealing solutions. Internally threaded tubes can be sealed with a standard screw cap, a Screw Cap Ultra, or a low profile screw cap.

The internally threaded screw caps are available for 96-well tubes with a standard or low profile (resulting in freezer space savings up to 33%), and are compatible with Micronic sample storage tubes in the following volumes: 0.50ml, 0.75ml, 1.10ml, 1.40ml and 2.00ml.

Product features

Optimal seal quality

The silicon O-ring on the internally threaded screw cap provides the most optimal seal for storage at ultra-low temperatures.

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.

Automation Friendly

The internally threaded screw caps Ultra (available in blue, yellow, light-green, red) are designed specifically for automated processes.

Resistance

The internally threaded 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 PP with Silicon O-ring
  • Cap height 14.2 mm, 14.9 mm (48-format), 14.2 mm (24-format)
  • Temperature range Vapor phase LN2 to +100°C
  • Available sterile, gamma radiated, (15 kGy avg.) or Et0 treated
  • Available pre-capped on Micronic screw cap tubes
  • Available in 12 colors

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. "

I experience NBS Scientific as an excellent partner with pleasant employees. I have good contact with them.

Charles River Laboratories

Need more information?

Don't hesitate to contact us.

Want to learn more about the internally threaded screw caps? Eager to request a free sample? Contact us today with your questions.

Request More Info - Labware

Product downloads

  • Caps for Sample Storage Tubes Download

Related products

Free Samples available!

Screw Caps External Thread

Micronic's external thread screw caps are available for 0.30ml, 0.75ml, and 1.40ml (96-well), 1.00ml and 4.00ml (48-well), and 3.50ml (24-well) tubes.
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0.50ml Internal Thread Tubes

With Micronic's internally threaded tubes, users can save between 35% and 50% of their storage or freezer space.
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0.75ml Internal Thread Tubes

With the 0.75ml cryotubes from Micronic in either push cap or screw cap format, users can store valuable samples in a safe and traceable way.
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1.10ml Internal Thread Tubes

The traceable 1.10ml storage vials from Micronic work equally well with either screw caps or push caps.
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