RB1375 5 mL Round-Bottom Polystyrene Tube – 13×75 mm, Clinically Clean, –4 °C to 60 °C, RCF 1,500×g, Bulk 1,000-Pack

Enhance laboratory efficiency with the RB1375 – 5 mL Round-Bottom Polystyrene Tube, precisely engineered for clarity and functionality. With a standard 13 mm diameter and 75 mm length, this tube supports a 5 mL volume, making it ideal for routine centrifugation, sample storage, and processing.

Molded from premium-grade virgin polystyrene, the tube boasts excellent optical clarity and durability. It can withstand centrifugation up to 1,500×g, and remains stable in temperatures ranging from –4 °C to 60 °C. Delivered clinically clean, it’s ready to use immediately upon arrival—no cleaning required.

Packaged in efficient 1,000-unit bulk packs, these tubes offer high value and stock consistency for high-throughput and research-intensive environments.

Key Features & Benefits

• 5 mL capacity – Optimal size for common lab protocols and storage.

• Round-bottom design – Enhanced pellet collection during centrifugation.

• High clarity polystyrene – Ideal for observation and precise sample assessment.

• Centrifuge-safe (1,500×g) – Reliable for moderate-speed applications.

• Temperature resilient – Suitable from –4 °C to 60 °C for flexible use.

• Clinically clean – Ready-to-use cleanliness for streamlined workflows.

• Bulk packaging – 1,000 tubes per pack for efficient inventory management.

• Cap compatibility – Works with push-in finned caps for secure sealing (sold separately).

Product Specifications

• Model: RB1375

• Volume Capacity: 5 mL

• Dimensions: 13 mm (diameter) × 75 mm (height)

• Material: Virgin polystyrene

• Max Centrifugation: 1,500×g

• Temperature Range: –4 °C to 60 °C

• Clean Condition: Clinically clean

• Pack Quantity: 1,000 units

• Compatible Closure: Finned push-in cap (available separately)

Why Choose RB1375?

Designed for clarity, reliability, and bulk readiness, the RB1375 tube delivers excellent operational value. Its compatibility with standard lab workflows and reliable manufacturing make it a dependable choice for daily tasks and scaled-up applications.

Typical Applications

• Moderate-speed centrifugation and pelleting

• Sample storage and transport at controlled temperatures

• Visual quality checks and analytical workflows

• Academic, clinical, and research-based lab usage