The manufacturer is ISO 9001 & CE certificated and FDA registered. Those tubes are manufactured in the same conditions as spills are manufactured. The air in the manufacturing room are filtered and workers wearing PPE which ensures products are meet high standards.

● 50ml centrifuge tubes are widely used either in samples storage or high-speed centrifugal purposes in the laboratory
● Two-color silk printing, clear marks, black scale, and white writing area
● One-hand operation, easy to coil cover, good sealing
● Sterilized by E-Beam
● DNase, RNase-free, non-pyrogenic
● Plastic rack is economic, environmentally friendly and reusable! Don't use Styrofoam racks which caused many environmental problems. Please read a blog here about styrofoam or search in google to see how styrofoam affect health and environment.
● PE for the lid, PP for the tube
● 8000 RCF

Those centrifuge tubes are made of strong virgin material, which have heavier weight. Please compare our RCF with others which normally claim 5000g RCF.

What's included

50ml Sterile Centrifuge Tubes, 25tubes/rack, 2 racks (50 tubes total).