These 100 ml PYREX® conical centrifuge tubes are used in accordance with standard methods of testing for water and sediment in petroleum products.

They have white graduations against a permanent red panel for easier reading. Graduated upward to 0,5 ml in divisions of 0,05 ml; from 0,5 to 2 ml in divisions of 0,1 ml; from 2 to 3 ml in divisions of 0,2 ml; from 3 to 5 ml in divisions of 0,5 ml; from 5 to 10 ml in divisions of 1 ml; from 10 to 25 ml in divisions of 5 ml and at 50, 75 and 100 ml.