Rate Constant for Plug Flow Reactor is the proportional constant of the particular reaction in the reactor. And is denoted by kplug flow. Rate Constant for Plug Flow Reactor is usually measured using the Mole per Cubic Meter Second for Reaction Rate. Note that the value of Rate Constant for Plug Flow Reactor is always positive. Typically, the value of Rate Constant for Plug Flow Reactor is greater than 0.