Polypropylene tubes include blue HDPE leak-proof screw caps.

• The tubes and caps feature specially-designed flat threads for vacuum-type closure that is leak-free at a pressure of >700mm Hg.
• Highly smooth hydrophobic internal surfaces minimize wall effect.
• Silk-screen graduations and a frosted surface make writing easier.
• Autoclavable at 121°C and 15 psi for 20 minutes.
• Gamma radiation sterilized.
• DNase, RNase, Pyrogen and latex-free.
• Maximum RCF 18,000 (15 mL) and 20,000 (50 ml).
• Amber colored tubes are suitable for light sensitive applications because they do not allow any light to pass through the samples.
• Available in 15ml and 50ml
• Clear or Amber