various plastic test tubes

various plastic test tubes:
Manufactured from virgin polystyrene and polypropylene. with and without caps. Top quality and various size.
Polystyrene tubes are transparent, can withstand centrifugation speeds up to 1400 x g and are not autoclavable.
They are suitable for use with aqueous solutions, mild bases and weak acids but not contact with volatile chemicals.
Polypropylene tubes are opaque, and can withstand centrifugation speeds over 3000 x g.
Polypropylene tubes are break-resistant and can be sterilized at 120°C.
They are suitable for use with most common acids, solvents and alkalis at room temperature.
All tubes are rimless available in round bottom.
Tubes packaged in option of bags and dispenser of boxes.