Evergreen Scientific

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  • Polyethylene Caps

    Evergreen Scientific

    Three designs Precision-molded Polyethylene (PE) stopper caps are available for every size (except 15.5 x 50 mm) of Evergreen test tube. Choose from either standard caps or the flattop style. Caps for 12 mm tubes are available in six colors. Over-fitting caps for use with sterile…

  • Screw Caps for 20/30mL Tubes

    Evergreen Scientific

    Multiple Uses Ideal for general purpose laboratory work. The 30 ml tubes are also being incorporated as one of the leakproof primary containers in shipping infectious specimens. 30 ml tube with spork is widely used in parasitology specimen transport Leakproof screwcaps …

  • Screw Caps for 50mL Tubes

    Evergreen Scientific

    Multiple Uses Ideal for general purpose laboratory work. The 30 ml tubes are also being incorporated as one of the leakproof primary containers in shipping infectious specimens. 30 ml tube with spork is widely used in parasitology specimen transport Leakproof screwcaps Vacuum-chamber…

  • CryoSure® Vial Caps

    Evergreen Scientific

    CryoSure® brand vials are recommended for storing cell cultures, blood/serum specimens, sperm, and other biological specimens at vapor phase* liquid nitrogen temperatures (-320°F/-195°C). By using external threads, all CryoSure® vials are designed to be less susceptible to aerosol contamination…

  • MST™ Caps

    Evergreen Scientific

    All of our polyethelyene screw caps feature a molded-in sealing ring for a rim-seal that provides a leakproof closure without the use of a silicone gasket. Evergreen pioneered rim-seal caps in 1975. We have found that a properly designed rim-sealing cap is extremely effective in sealing small vials…

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