Corning 50 mL clear polypropylene (PP) self-standing centrifuge tubes come with the advanced polyethylene CentriStar caps and are bulk packed 25 per bulk bag. The CentriStar cap has an easy-on/easy-off flat top and offers advanced ergonomics with its wider knurls and roll-over edge design for easier gripping. This leak-proof design comes with a revolutionary plug feature that virtually eliminated all seepage when used under recommended conditions. Superior Performance - Maximum RCF is 3,000 xg - Temperature range from -80°C to 120°C - 5 year shelf life Ease of Use - Leak proof design - Easy-on/easy-off cap - Clear accurate graduations - Large white marking spots Reliable Quality - RNase-/DNase-free - Heavy-metal-free color concentrate - Medical grade polypropylene - Nonpyrogenic - Sterile 1 pack isi 25 pcs mohon di tanyakan terlebih dahulu untuk ketersediaan stock