Film-painting salt fog test box

The utility model discloses a film-painting salt fog test box which comprises a box body, wherein the box body comprises an experiment cavity and a control panel, wherein the control panel is arranged on the box body on one side of the experiment cavity; the experiment cavity comprises a box cover connected to the upper side of the box body and a spraying unit and an experiment plate which are arranged in the box body; the spraying unit comprises a spraying tower and a nozzle connected to the lower side of the spraying tower; two titration pipes are also arranged on the box body; the spraying tower is communicated with the titration pipes through conveying pipes. Due to the mode, the film-painting salt fog test box disclosed by the utility model is safely and reliably used and guarantees high precision and high stability of a test process; the corrosion test can be accelerated, and the test efficiency is improved; a settlement situation of salt fog can be tested; the test standard is guaranteed; the test prec