Cryotubes 1D INTERNAL cap

  • Human DNA, DNase, RNase, Pyrogen, ATP, PCR Inhibitors free certified.
  • Sterile SAL 10
  • CE-IVD Marked
  • Certified IATA PI 650
  • Manufactured in Clean Room Class ISO 7 (UNI EN ISO 14644-1). Class 10000 (US FED STD 209E)
  • Working Temperature：up to -196℃ in liquid nitrogen in gas phase
  • Tubes in Polypropylene / Caps in Polyethylene and TPV
  • Never repeating barcode！



  • The innovative screw caps eliminate leakage and contamination. Both internal and external screw caps are co-molded with a thermoplastic elastomer (TPV) layer and are 95kPA certified to provide a 100% leak-proof seal. This proprietary molding process eliminated the risk of contamination associated with brands that use separate o-rings.
  • Innovative internal and external screw caps to provide a 100% leak-proof seal.


  • Color coded inserts are available to fit both internal and external caps for quick sample identification.
  • Star shaped top cavity is engineered for use with automatic decapping equipment or easy cap picker.


  • Produced from medical grade raw materials that will not discolour after re-sterilizing.
  • Printed graduat ions for accurate measurements.
  • White writing surface for specimen identification.