Our NEWEST innovation by MICRONIC : Eco-Friendly Rack RM

Screw Cap IG for External Thread

Compose your product

Request quote

Securely seal your samples

With screw caps from Micronic

The Screw Cap IG from Micronic can be used to seal externally threaded tubes in 96-well format ranging from 0.30ml to 2.00ml in size. It has improved gripping for both manual and automated handling and an optimized cap height of 5.8mm to make storage in automated stores more efficient. The Screw Cap IG comes in a variety of 12 different colors.

The Screw Cap IG for tubes with external thread is designed to be compatible with the Micronic Screw Cap Recappers and other automated systems. The improved sealing performance of the Screw Cap IG leads to the reduction of sample los and an enhanced sample integrity. The working range of the Screw Cap IG is between vapor phase LN2 and +100°C, making it possible to use this cap for both short term and long term sample storage in extreme temperatures.

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

Product features

Optimal seal quality

The Screw Cap IG has a triple-start thread for optimal sample storage and are designed to lock when sealed to prevent over tightening.

Tube Compatibility

The Screw Cap IG is compatible with 96-well format tubes from 0.30ml to 2.00ml in size.

Automation Friendly

The Screw Cap IG is designed specifically for automated processes and is available in 12 different colors.


The Screw Cap IG is resistant to chemical solvents. They are produced in a class 7 clean room and are RNase/DNase and Pyrogen free.

  • Material Polyethylene
  • Cap height 5.8 mm
  • Temperature range Vapor phase LN2 to +100°C
  • Available in 12 different colors
  • Available sterile, gamma radiated, (15 kGy avg.) or Et0 treated
  • Available pre-capped on Micronic screw cap tubes

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

Need more information?

Don't hesitate to contact us.

Want to learn more about the Screw Cap IG? Eager to request a free sample? Contact us today with your questions.

Request More Info - Labware

  • Hidden
  • Hidden
  • This field is for validation purposes and should be left unchanged.

Product downloads

  • Screw Caps for External Thread Tubes Download

Related products

The color range of Micronic's externally threaded screw caps: grey, light green, blue, red, orange, yellow
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.
View product
Request a Free Demo!

CS700 Screw Cap Recapper

The Micronic Screw Cap Recapper CS700 line can cap, decap or recap a full rack of screw cap tubes in less than 30 seconds.
View product
New product!

Micronic DR710 Rack Reader

The DR710 is designed with an active anti-frost system to process frozen samples more quickly.
View product
Six 0.30ml externally threaded tubes with 2D Data-Matrix codes precapped with grey screw caps

0.30ml External Thread Tubes

To address the need for low volume genomics, the 0.30ml tube enables miniaturization of reaction volume required in genomic applications.
View product