Polytetrafluoroethylene testing tank with multifunctional simulated migration

The utility model discloses a polytetrafluoroethylene testing tank with multifunctional simulated migration. The polytetrafluoroethylene testing tank comprises a testing tank main body and a bracket, wherein the testing tank main body is placed on the bracket; the testing tank main body comprises a polytetrafluoroethylene liquid adding hole cover, an upper cover plate, a polytetrafluoroethylene accommodating tank, a polytetrafluoroethylene liquid guide pipe, a polytetrafluoroethylene sheet, a base, a clamping bolt and a nut; and the upper cover plate is covered on the accommodating tank, the upper cover plate is uniformly provided with three open grooves along the periphery, the polytetrafluoroethylene liquid guide pipe is arranged at the bottom of the accommodating tank, the liquid guide pipe is communicated with the cavity of the accommodating tank, the upper cover plate is provided with a through hole, the liquid guide pipe passes through the through hole, the liquid adding hole cover is crewed on the liqu