Seal-Rite® tubes have a dependable seal and can be easily opened and closed. The tubes stay closed during boiling, freezing, centrifugation, and exposure to phenol/chloroform mixtures. The tube thickness is optimized for optical clarity and strength.

Seal-Rite® tubes are pure 100% virgin polypropylene. No processing additives such as slip agents, biocides, or antistatic agents are used in raw materials or during production. Your samples remain protected from potential bioactive contaminants. Certified RNase, DNase, DNA free and non-pyrogenic.

• RNase, DNase, DNA free and non-pyrogenic
• Thumb-friendly beveled lip
• Graduations every 100 µl
• Optically clear
• Frosted side writing surface
• Flat cap accepts lab markers
• G-force rating up to 25,000 x g
• Choice of natural, amber, or five individual or assorted colors

For applications involving rigorous boiling or high concentrations of SDS, try our Seal-Rite® locking tubes.