Plastic test tubes: PS/PP,12*60,12*75,13*75,13*78,12*100,13*100,15*100,16*100,etc with cap ... or not,can do color and printing. Plastic test tubes ... size.Polystyrene tubes are transparent, can withstand centrifugation speeds up to 1400 x g and are not autoclavable.They are suitable ... packaged in option of bags and dispenser of boxes. Plastic test tubes