- Corning 50 mL centrifuge tubes feature black printed graduations and a large white marking spot.
 - Available with your choice of cap styles: the advanced CentriStar cap or the original plug seal cap.
 - 95 kPA (14 psi) pressure tested – plug seal cap only.
 - Simplify your workflow with: Color bands visually identify samples; Hazardous materials pictograms that comply with OSHA and GHS standards. Sterile.
 - RNase-/DNase-free.
 - Nonpyrogenic.
 
PP = polypropylene, PET = polyethylene terephthalate, RCF = relative centrifugal force (x g).