Leakproof characteristics are ensured by a flat top plastic screw cap with an inner sealing lip. Tubes are made of translucent polypropylene or optically clear polystyrene with molded graduations from 2.5 to 50 ml. They withstand centrifugation speeds of 3000×g.
Polypropylene or polystyrene tube options. Sterile or non sterile versions available. Cap features a leakproof design. Polypropylene tubes are autoclavable
