Description
Optimized for secure short term sample storage in low temperatures, Thermo Scientific™ Freestanding Screw Cap Microcentrifuge tubes are offered in 0.5 mL through 2.0 mL volume capacity. Manufactured from virgin polypropylene these tubes are autoclavable, boil proof, and freezable to -80°C.
• Tubes are designed with conical bottoms allowing for more complete sample retrieval
• Screw caps with O-rings guard against leakage by forming a positive seal against the rim of the tube
• Amber tubes protect valuable light sensitive samples and are sold with a matching amber screw cap
• Graduation marks on the microcentrifuge tube allow for effective sample reference
• External ribs allow for single-handed opening and closing when placed in racks with serrated holes
• Screw cap microcentrifuge tubes work with many automated systems
• O-ring is manufactured from durable ethylene polypropylene dimonomere compound
• Non-sterile tubes are certified free of RNase, DNase, DNA, endotoxin, pyrogen and PCR inhibitors and are packaged in individually sealed bags of 50 to protect against cross contamination
• Sterile tubes are packaged with the caps screwed onto the tubes
• Colored screw caps are available separately to improve sample identification in the lab
†U.S. and Canada Sales Only
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