Nalgene® Screw Caps for Microcentrifuge Tubes

Screw caps for microcentrifuge tubes Ensure leakage safety even under demanding conditions. These screw caps with O-rings are optimized for safe short-term storage at low temperatures. Autoclavable: Non-autoclavable Description: Screw Cap with O-ring, Black, E-Beam Sterile, cap only no tube Packaging: 500 x pk, 10 pk x cs, 5000 x cs. Single Bagged. ZipLock bag. Cleaning Proofs: Electron beam sterilized, SAL 10sup-6/sup Free of: RNase/DNase, human and mouse DNA, pyrogen, endotoxin, bioburden, ATP and PCR inhibitors Binding Property: Low Nucleic Acid and Protein Binding Low Enzyme Inhibition Max. Torque: Manual/Hand Torque: Standard: 0.125 lbsf.in to 2.5 lbsf.in; Metric: 1.412 Ncm to 28.24 Ncm. Automated/Robotic Torque Standard: 1.312 lbsf.in to 2.5 lbsf.in; Metric: 14.83 Ncm to 28.24 Ncm Temperature Range (Metric): Cold Storage: -80 to +95 °C. Liquid Nitrogen: Short-term vapor phase and flash freezing permitted, not recommended for storage in LN2 Max. RZB: 25,000 x g Unit Size: Each