These disposable sterile tubes are made of high quality polypropylene (PP) plastic that will withstand temperatures from -190Àö to +120ÀöC. They are also available in crystal clear polystyrene (PS) with a range of 0Àö to 70ÀöC. Caps are made of polyethylene (PE) and have the popular two position design (up/loose for aerobic work and down/sealed for anaerobic cultures). Polystyrene tubes may be centrifuged at up to 2000xg. Polypropylene tubes withstand higher forces, up to 4000xg. • Sterile, RNase, DNase, pyrogen and cytotoxin free • Available in Polypropylene or Polystyrene • Dual-Position Plug Caps • Compatitble with all standard equipment
