Plastic test tubes: PS/PP,12*60,12*75,13*75,13* ... with cap or not,can do color and printing. Plastic test tubes:Manufactured from virgin polystyrene and polypropylene. with and without ... at 120°C.They are suitable for use with most common acids, solvents and alkalis at room temperature.All tubes are ... packaged in option of bags and dispenser of boxes. Plastic test tubes