50mL, Clear, Flat cap, Conical, Ink-free, RCF 18000xg, Bagged, Sterile

Completely abandoning the ink-based marking process, it fundamentally eliminates sample contamination caused by ink peeling and leaching, perfectly meeting the stringent requirements for sample purity in high-cleanliness, high-sensitivity experiments such as pharmaceutical research and cell therapy.

Made of high-purity virgin polypropylene (PP), it has been rigorously tested to be DNase/RNase-free and pyrogen-free, with no release agents or plasticizers added. It fully complies with material requirements for pharmaceutical and cell therapy experiments.

They withstand autoclaving at 121℃ and cryopreservation at -80℃, with excellent chemical resistance. Capable of sustaining high centrifugal force up to 12000×g, they feature stable structure, no leakage or breakage, and are compatible with mainstream centrifuge rotors, meeting various routine and high-end experimental applications.

Featuring an integrated molded graduation process on the tube body with no additional coatings, the graduations are clear, precise, wear-resistant and durable. They remain sharp and intact even after repeated centrifugation, sterilization and freeze-thaw cycles, offering far superior readability and durability compared to traditional ink markings.

The product is fully automatically manufactured in a Class 100,000 cleanroom to minimize contamination from manual handling. It undergoes strict multi-dimensional quality inspections including vacuum pressure testing, centrifugation testing and temperature variation testing. With stable and consistent batch quality, it is ready to use upon opening, fully meeting the quality control requirements of pharmaceutical and cell therapy customers.