ScrewSeal™ screw-cap microtubes come sterile, in clear and light-blocking amber. Because they are made from ultra-clear polypropylene, these microtubes include assembled caps with silicone O-rings that ensure a leakproof seal. All ScrewSeal™ screw cap microtubes are sterile, RNase, DNase, & pyrogen free and may be centrifuged at up to 22,000 x g (Refers to liquids with a specific gravity of 1.0, using appropriate rotors, cushions, and adapters.).
- Ultra-clear or light-blocking amber polypropylene
- Self-standing
- Molded graduations
- Leakproof silicone O-ring seal
- Sterile, RNase, DNase, Pyrogen free
- Centrifuge up to 22,000 x g
- Working temperature: -90°C to +121°C
- 85954 is individually wrapped; others packaged 100 per bag, ten bags per case
- Sold in full cases only
- Sterile items are non-returnable