PFA cylinder is a vessel for measuring the volume of liquid, the specification is expressed by the capacity that can be measured (mL), commonly used are 10 mL, 25mL, 50 mL, 100 mL, 250 mL, 500 mL, 1000 mL, vertical long cylindrical shape, the upper side has a mouth, easy to pour. The lower part has wide feet for stability. A volume range is engraved on the cylinder wall for the user to read the volume. Large measuring volumes from a few milliliters to a few litres. The wall of the cylinder is printed with a scale from bottom to top. When observing readings, the experimentor should note that the line of sight needs to be level with the low concave (or high convex) surface of the liquid.

PFA cylinder is resistant to strong acid and alkali, the background value is less than 0.01ppb, used in ICP, semiconductor and other materials industry, is not fragile, resistant to hydrofluoric acid, low dissolution precipitation.