Made of polypropylene
These Secure-Lock™ microcentrifuge tubes offer a special locking system which can be bent upward to lock on the cap, ensuring extra protection during critical steps such as boiling, freezing, centrifugation and shipping. Tubes are graduated at 0.5, 1.0 and 1.5 ml. Lids can be pierced easily with a syringe needle. Etched surface on side of tube for sample identification. Can be used at extreme temperatures from -175 °C to +121 °C. Autoclavable. Maximum centrifugation RCF: 20,000g. Packaged in tamperproof resealable safety-lock bags of 500 tubes. Certified RNase-, DNase-, Pyrogen- and DNA-free.
