Manufactured from ultra clear, high grade polypropylene by fully automatic, human touch free machines. Self stands on the laboratory benches without the need of any tube support. Ultra rugged tube wall guarantees resistance to high centrifugal forces up to 6.000 RCF. Autoclavable at 121°C for 20 minutes. Caps should not be kept closed during autoclaving process. Otherwise tubes can be deformed. Sterile tubes are manufactured in germ-free, class 10.000 sterile production areas and then re-sterilised by gamma irradiation. Sterile tubes are supplied with a certificate as a guarantee of “DNase, RNase & pyrogen free” product. Caps are manufactured from polyethylene with large ridges for increased grip for easy opening and closing. This feature specially increases the speed when working with gloves. Cap inner design ensures hermetical and leak-proof closure. Caps can be opened and closed with single hand. A 3/4 turn of the cap will be sufficient for full closure. Graduations on side wall offer visual control of the filled volume. Graduations are in 2,5 ml increment for 50 ml tubes. Printed marking area on side wall enables easy marking and labelling. Flat cap top provides multiple options for marking and labelling of the tube. Precise volume marks at the tube bottom clearly and visually show the liquid volume at the tube bottom. Individually single packed sterile tubes have printed lot number, production date and expiry date on the package.
