RB1164 2.5 mL Round-Bottom Polystyrene Tube – 11×64 mm, Clinically Clean, –4 °C to 60 °C, Centrifuge Safe, Bulk 1,000

Optimize your lab workflow with the RB1164 2.5 mL Round-Bottom Polystyrene Tube, crafted for clarity and dependability. With precise 11 mm diameter and 64 mm height, this compact tube offers a 2.5 mL capacity, ideal for small-volume centrifugation and sample operations.

Made from premium-grade polystyrene, it provides excellent visibility and withstands moderate centrifuge speeds up to 1,500 × g, ensuring secure sample processing. Designed for reliability and convenience, the tube performs effectively within a –4 °C to 60 °C temperature range, making it well-suited for both refrigerated storage and ambient workflows.

Delivered clinically clean and packaged in bulk packs of 1,000, this lab staple is ready to use from the moment it arrives—no pre-washing required. Compatible with push-in finned caps (sold separately), it offers dependable sealing for secure handling.

Key Features & Benefits

• Compact 2.5 mL round-bottom design – Perfect for sample pelleting and micro-centrifuge operations.

• High-clarity polystyrene – Excellent visual access for monitoring and analysis.

• Centrifuge-safe at 1,500 × g – Reliable under standard lab centrifugation speeds.

• Thermal stability – Performs across –4 °C to 60 °C, adapting to cold and ambient environments.

• Clinically clean packaging – Ready for immediate use upon arrival.

• Bulk packaging – Includes 1,000 tubes for high-volume lab use.

• Cap compatibility – Supports optional finned plug closures for added security.

Product Specifications

• Model: RB1164

• Volume: 2.5 mL

• Dimensions: 11 mm diameter × 64 mm height

• Material: Virgin Polystyrene

• Max Centrifuge Speed: 1,500 × g

• Temperature Range: –4 °C to 60 °C

• Clean Condition: Clinically clean

• Pack Size: 1,000 tubes

Why Choose the RB1164 Tube?

This tube offers a perfect blend of compact design, optical clarity, and usability. Its small form factor, along with certified centrifuge safety and temperature resilience, makes it an excellent fit for precision workflows. Delivered clean and in bulk, it's ready to support uninterrupted lab operations.

Typical Applications

• Small-volume centrifugation and sample pelleting

• Sample storage and transport under controlled ambient or refrigerated conditions

• Visual analysis of liquid content in compact format

• Labs needing reliable, space-efficient consumables in consistent supply