ClearSeal™ Graduated Screw Cap Microcentrifuge Tubes

Sterile, Leak-Proof, Ultra-Clear.

ClearSeal™ Graduated Screw Cap Microcentrifuge Tubes are designed for superior sample protection and storage. Made from ultra-clear polypropylene, these sterile microcentrifuge tubes feature pre-assembled screw caps with secure silicone O-rings, ensuring a 100% leak-proof seal under extreme conditions—from -86°C to +121°C.

Available in multiple sizes and configurations, including a convenient loop-cap option on the 2.0 mL size, ClearSeal™ tubes meet the needs of both research laboratories and diagnostic/reagent packaging applications. Each tube is certified RNase, DNase, and pyrogen-free, making them ideal for sensitive biological samples.

ClearSeal™ microtubes can be centrifuged at up to 22,000 x g* and are packaged in resealable bags of 50 for ease of use and contamination control. Available with white, printed graduations and in single-color cap packs of 1000.

Key Features

• Leak-proof O-ring screw cap for secure sealing
• Ultra-clear polypropylene for easy sample visibility
• Sterile; free from RNase, DNase, and pyrogens
• Withstands -86°C to +121°C
• Centrifuge-safe up to 22,000 x g*
• Available in loop-cap version (2.0 mL)
• Resealable bags of 50 for convenient storage
• Single-color cap packs (1000/pk)
• White, printed graduations for easy volume identification 

*Performance based on liquids with specific gravity of 1.0 using compatible rotors and adapters.