IVDT. JYJ-1Automatic immersion machine is used for closed immersion treatment of fiberglass. Place a gasket at the upper end and adjust the liquid velocity through the liquid slot. There is an inert roller at the rear end that can evenly squeeze out excess liquid, ensuring the uniformity of each gasket and effectively improving efficiency and product performance. This device has a simple structure, easy operation, uniform sample pad processing, and changes the conventional soaking process, greatly improving production efficiency.