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GenClone Brand 50 ml conical centrifuge tubes come with leak-proof caps and are ideal for every day lab work. The tubes are manufactured from polypropylene that conforms to USP Class VI for chemical resistance. Black, smart, calibrated graduations are marked every 2.5ml on the tube beginning at 5ml. Large white writing area makes labeling easy.

Max centrifugation (RCF) = 12,000 x g. Tubes will withstand autoclaving (121°C/15psi/15min) and have a cold tolerance of -80°C with caps on.