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Low Profile Screw Caps

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Micronic internally threaded low profile screw caps 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 low profile screw caps are available for 96-well tubes (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.

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

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 low profile screw caps are compatible with 96-well (0.50ml, 0.75ml, 1.10ml, 1.40ml, and 2.00ml) tubes.

Wide color range

The low profile screw caps are available in 12 colors: black, grey, white, yellow, orange, red, pink, purple, blue, light blue, light green, and green.

Resistance

The internally threaded low profile 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 7.5 mm
Temperature range Vapor phase LN2 to +140°C
Available sterile, gamma radiated, (15 kGy avg.) or Et0 treated
Available pre-capped on Micronic screw cap tubes
Saves 33% of freezer space

"NBS Scientific worked with us to establish what our needs were and how we could use the best system to accomplish those needs. We were trying to improve our sample storage efficiency and tracking. Overall, I liked the quality, fit and finish, and the simple software of the products we purchased most."