50ml mac g conical centrifuge tubes 20000xg max rcf temperature indicator reusable eco plastic racks rnase dnase free sterile

50mL conical centrifuge tubes that excel in every category make our Mac-G the most complete centrifuge tubes on the market. Made from robust polypropylene, Mac-G centrifuge tubes can withstand repeated autoclaving and freezing at temperatures -86C Each Mac-G centrifuge tube features a color-changing temperature patch that indicates when the contents are at 0C Mac-G centrifuge tubes offer new graduation lines that can be read regardless of direction. Mac-G centrifuge tubes identify the maximum fill line for general use and when contents are to be frozen. Each Mac-G centrifuge tube comes pre-capped with an easy to write-on flat cap that can be secured with a single hand and protect contents with a 95 kPa rated leak-proof seal. Mac-G centrifuge tubes are E-Beam sterilized (SAL 10-6) for peace of mind. Tubes are packaged 20 racks of 25 tubes for a total of 500 tubes per case