Centrifuge tube with cap , disposable, sterile, 50ml Disposable polypropylene centrifuge tubes and caps with recessed lid and sealing ring to prevent leaking. Chloroform resistant graduations and frosted writing area allows for permanent identification and labelling. Autoclavable to 121°C and can be stored in freezers to -80°C. Manufactured in ISO 9001:2000 and 100,000 grade cleanrooms. Gamma irradiated, RNase & DNase free, DNA free, non-pyrogenic. • Supplied in a case of 500 with inner bags of 25 • Can be spun up to 12,000g (15mL) & 15,000g (50mL) • Easy-to-read graduations accurate to ±2%, 0.5mL increments (15mL) or 2.5mL increments (50mL) • Conical Bottom