Oak Ridge Centrifuge Tube, (PC) Polycarbonate body, PP screw closure Withstand up to 50,000 x g in refrigerated or non-refrigerated centrifuges. NALGENE sealing caps (Cat. No. DS3132-xxxx) are available for 10-, 28-, 30-, and 50-ml sizes (Cat. Nos. 3118-0010, 3118-0028, 3118- 0030 and 3118-0050). (Or use Cat. No. 3138-xxxx Oak Ridge centrifuge tubes (polycarbonate) with sealing cap. . Nominal Capacity: 10 ml . NOTE: Before autoclaving, just set closure on top of the tube without engaging the threads. For proper performance must be filled to 80% of the total capacity. . Autoclavable/Biohazard/Transparent/Leakproof† . . FOLLOW WEB-Link to ROTOR-MATCHING-GUIDE. Fits your choice in your rotor of your centrifuge?