15 mL Unthreaded Centrifuge Tubes are precision molded from premium-grade, chemically-inert thermoplastics.  Polystyrene tubes are glass-clear and polypropylene is nearly transparent.  Accurate, easy-to-read graduations are molded-in at 0.1 mL intervals from 0-1 mL and at 0.5 mL…

Meet bioanalytical-grade requirements and provide unsurpassed performance in critical research applications Exceptionally strong—Industry leading centrifugation rating of 16,000 RCF (50 mL polypropylene) Unique double threaded cap design reducing cross threading and leakage …