Kimax® tube used for the determination of small quantities of solids in large volumes of liquids. Calibrated to contain. Stem is graduated in 0.01mL to 0.2mL and the body has graduations at 25, 50, and 100mL. Recommended for the determination of free water and sediment in diesel and other distillate fuels, as a pass-fail indication of product quality (ASTM D2709). Durable black ceramic enamel scale. Do not centrifuge with stopper in tube.