50 ml Polypropylene Centrifuge Tube with Skirt, Graduated — Premium Line

50 ml tube in polypropylene with a conical base and integrated skirt for stable positioning in racks and rotors. Designed for molecular biology, microbiology and any application requiring certified contaminant-free plasticware.

Technical specifications

• Capacity: 50 ml
• Material: Polypropylene (PP)
• Base: Conical with stabilising skirt
• Centrifugation rating: 16,000 xg
• Minimum temperature: -80 °C (cryogenic storage)
• Autoclavable: Yes
• Closure: Leak-tight

Material quality and traceability

Certified DNase-, RNase- and pyrogen-free — batch certificate available as a free download. Sterile version sterilised by gamma irradiation. Resealable bag maintains sterility between uses. Blue screen-printed graduations resistant to common laboratory solvents. Integrated frosted band for direct marking with marker pen or pencil.

Typical applications

Centrifugation of biological samples, cell culture, nucleic acid extraction and long-term cryogenic storage. The skirt keeps the tube upright in the rack and prevents tipping on the bench — a practical advantage when processing runs of samples.

Summary specifications

• Volume: 50 ml
• Maximum RCF: 16,000 xg
• Cryogenic to: -80 °C
• Certified free of: DNase, RNase, pyrogens
• Sterilisation (sterile version): Gamma irradiation
• Certificate: Downloadable per batch