Our 12.5 ml finger centrifuge tubes are manufactured from Borosilicate glass and are graduated from 0 – 100 %.
These finger tubes are clearly graduated in white marking to allow ease of reading of samples.
Graduations are as follows :
0 to 3% in 0.2%, 3 to 10% in 0.5%, 10 to 50% in 1% and also 100%.