PYREX® Oil Centrifuge Tube, Graduated, 100 mL, Corning®
PYREX® borosilicate glass oil tube for determination of water and sediment in petroleum products. White enameled graduations. Tube 21120-001 is calibrated "to contain", with tolerances as specified. Reference: ASTM D96. Tubes 89091-072 and -074 have the same increments and range, without calibrated tolerances. Lifetime Red™ indicates white enamel graduations enameled onto a highly visible red panel. Reference: ASTM D96, D91, D893, D1796.