14ml polystyrene culture tube 17 x 100mm sterile with attached dual position cap 500 cs

These high-quality culture tubes are molded from premium grade polystyrene for clarity or polypropylene for impact strength and stability to common acids, alkalis, and solvents. Polystyrene tubes can withstand 1500 RPM during centrifugation. Polypropylene tubes can withstand 3000 RPM and are autoclavable and freezable Two position caps allow for ample oxygen exchange. Caps made from non-autoclavable LDPE Packed in 20 bags of 25 tubes each