Oil or weathering centrifuge tube used for propane and isobutane mixtures. Has 3 mm vent hole. Borosilicate glass with white enamel graduations and legend. Calibrated to contain. Dimensions: 37 dia. x 200 L mm. (ASTM D2158, D1837).
Graduation increments: 0.05 ml from 0 to 1 ml 0.1 ml from 1 to 3 ml 0.2 ml from 3 to 6 ml 0.5 ml from 6 to 10 ml 1.0 ml from 10 to 100 ml