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DWK Life Sciences Kimble™ KIMAX™ 50mL Heavy Duty Graduated Centrifuge Tubes with PTFE Stopper

This Standard Taper KIMAX™ tube is made with heavier-walled tubing to withstand higher centrifugation speeds. Graduated scale and legend are permanently stained on the outer surface.

Manufacturer:  DWK Life Sciences 4517650

Catalog No. 05-538-40B



  • Standard Taper KIMAX™ tube with a graduated scale and a Color-Coded flathead PTFE stopper
  • Calibrated to contain
  • Scale and legend are printed in permanent brown stain
  • Sandblasted marking spot
  • Top finish is tooled to accept a Standard Taper stopper 16
  • Capacity 50mL
  • Max RCF 2050
  • Tube OD 29mm, Length without stopper 155mm
  • Case of 6
  • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements


To contain
50 mL
Heavy-duty Kimax Glass
0 to 1mL in ±0.1mL, >1 to 2mL in ±0.2mL, >2 to 5mL in ±0.3mL, >5 to 10mL in ±0.5mL, >10mL in ±1mL
0 to 10 mL in 0.5 mL increments, 10 to 50 mL in 1 mL increments
Centrifuge Tube
155 mm
29 mm
2050 x g
Marking Spot
Product Certifications


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