Cryotube with External Screw Cap Sterile Standard Line PP/HDPE

External-thread cryotube manufactured from polypropylene with an HDPE cap. Resin meets USP Class VI medical-grade specification—suitable for biological sample storage. Working range -196 °C to 40 °C; compatible with liquid nitrogen in both liquid phase and vapour phase.

Key Features

• Tube material: Polypropylene (PP)
• Cap material: HDPE, external thread
• Resin: Medical-grade, USP Class VI
• Temperature range: -196 °C to 40 °C
• Closure: 3/4 turn plus 1/4 turn — leak-tight seal
• Base: Star-shaped for rack stability
• Packaging: Resealable bags

Certifications and Purity

Sterilised by gamma radiation. Certified DNase-, RNase- and pyrogen-free. Sterility certificate available for download.

Applications

Storage and transport of biological samples, cell lines, bacteria, viruses, and material for long-term cryopreservation. Used in molecular biology laboratories, tissue banks, hospitals, and research centres.

Usage Details

Writing area and visible graduations allow identification and volume control without removing the tube from the rack. Star-shaped base prevents rolling on the bench—practical when handling large sample numbers.