... .2ml,0.5ml,1.5ml,15ml,50ml many sharps,for example round bottom,conical bottom. Laboratory disposable of 50 ML Centrifuge ... at the much higher.So, these do not just like centrifuge tube, they are really High performance Certrifugation.Tubes not only ... samples, prevent samples were leaked.3.prevent volatile samples.4.Centrifuge tube corrosion resitstance is strong.5.Chemical and temperature stability is ...