This machine is designed for determining the water absorption and desorption of insoles and lining.The insole is flexed by simulating walking. Adopting the way to apply force by means of a lever, it is designed reasonably, so it is convenient for processing parts.It provides references for R&D to do material modification.Water flow is adjustable and its speed is displayed on the flow meter;You can set the test time, and it will stop automatically when the test time has been reached.