• Superior clarity
• Temperature rating from -80°C to +121°C
• Will not pop during boiling or freezing
• Fits all standard rotors
BioExcell® microcentrifuge tubes incorporate superior clarity with phenomenal strength. Glass-like clarity allows easy viewing of samples and pellets. Ideal for high-speed centrifugation, these proprietary homopolymer polypropylene tubes are rated for up to 25,000 RCF. Trust BioExcell®'s microcentrifuge tubes with your most valuable samples. The positive seal design allows repeated cap closures, which will not pop during boiling. All tubes feature external graduation marks and frosted writing surfaces. Available in natural and five different colors.