Product Description

Easily identify your samples with these SpectraTube™ 50mL Conical Centrifuge Tubes with Flat Rainbow Screw Caps from MTC Bio! These tubes are perfect for any lab conducting multiple studies, day of the week studies, or any experiments requiring multiple sample types or solutions.

  • Made of premium polypropylene, with exceptionally uniform wall thickness for clarity and centrifugal strength
  • Conical tubes and screw caps may be used for sample storage at temperatures as low as -86°C and are suitable for stem cell research
  • The maximum centrifugal forces are 15,000xg (Refers to liquids with a specific gravity of 1.0, using appropriate rotors, cushions and adapters)
  • Easy to write on flat and frosted color caps in blue, green, red, orange & yellow
  • Printed graduations and marking spots
  • Supplied with leak proof screw caps attached
  • Sterilized by Ethylene Oxide Gas (ETO)
  • RNase, DNase, pyrogen and cytotoxin free
  • Compatible with standard centrifuge rotors
  • Volume: 50mL
  • Dimensions: 29mm x 115mm


  • Foam Rack of 5 different cap colors. 25 tubes per foam rack. 20 racks per pack.
  • Bulk bag of 25 tubes of each color. 4 bags (total 100 tubes) of each color per pack.

Please note, image #3 depicts the bulk bag (with 15mL tubes) package type


Manufacturer MTC Bio
Latex Free Yes
Overall Height 115mm
Country of Manufacture China
Item Ships From New Jersey


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