Screwcap with O-Ring for Sample Tubes

These tubes and caps have been designed for the storage and transportation of biological material. They are manufactured from non-toxic polypropylene and offer strength and clarity. The vial has external threads, which provide a smooth and uniform inner surface which reduces the risk of contamination. 

The screw caps are also made of polypropylene, providing the same coefficient of expansion as the tubes. This along with a polypropylene inner lip ensures a leakproof seal, even at changing temperatures. The caps feature a long skirt and a super-fast thread design that allows them to be removed or sealed with a single turn.

The caps are available with or with out a silicone o-ring and are available in a variety of colors. Screw caps sold separately.

  • Withstand termperatures from -196°C to 121°C
  • Round bottom tubes can be centrifuged up to 17,000g
  • Tubes can be autoclaved (121°C) in upright position with the caps loosened
  • Spin rate: 25,000g
Ordering Information
Item Number Image Description Color Quantity Unit Unit Price
6137
Screw Cap with Silicone Washer for Sample Tubes with External Threads, Clear Clear
Bag of 1000 $182.50
6137A
Screw Cap with Silicone Washer for Sample Tubes with External Threads, Gray Gray
Bag of 1000 $182.50
6137B
Screw Cap with Silicone Washer for Sample Tubes with External Threads, Blue Blue
Bag of 1000 $182.50
6137G
Screw Cap with Silicone Washer for Sample Tubes with External Threads, Green Green
Bag of 1000 $182.50
6137L
Screw Cap with Silicone Washer for Sample Tubes with External Threads, Lilac Lilac
Bag of 1000 $182.50
6137N
Screw Cap with Silicone Washer for Sample Tubes with External Threads, Orange Orange
Bag of 1000 $182.50
6137R
Screw Cap with Silicone Washer for Sample Tubes with External Threads, Red Red
Bag of 1000 $182.50
6137W
Screw Cap, with Silicone Washer for Sample Tubes with External Threads, White White
Bag of 1000 $182.50
6137Y
Screw Cap with Silicone Washer for Sample Tubes with External Threads, Yellow Yellow
Bag of 1000 $182.50
Total Cost: $0
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Note: All instruments and names of manufacturers mentioned herein are the trademarks of their respective companies and are used for reference purposes only. Globe Scientific Inc. expressly disclaims any affiliation to them.