Disposable polypropylene tubes and caps with recessed lid and sealing ring to prevent leaking. Frosted writing surface allows for permanent identification and labeling. Excellent alternative in quality and performance to other more expensive brand centrifuge tubes, such as Eppendorf, Sorvall, Pyrex and Oak Ridge centrifuge tubes. Manufactured in ISO 9001:2000 cleanrooms.

• Available in environmentally friendly, fully recyclable cardboard racks or in resealable zip closure bags
• Easy-to-read black graduations are accurate to ±2%
• 1 mL increments in 15 mL tubes
• 2.5 mL increments in 50 mL tubes
• Can be spun to 12,000g (15 mL tubes) or 15,000g (50 mL tubes)
• Autoclavable to 121 ºC and can be stored in freezers to -80 ºC.
• Sterilized with gamma irradiation, RNase & DNase Free, DNA free, Non-pyrogenic
• Chloroform resistant graduations and writing area