Rubber compression set tester

The utility model discloses a rubber compression set tester. The utility model relates to a rubber deformation test device. The utility model aims to solve the problem in the prior art, according to the technical scheme, the device is characterized in that the device comprises a plurality of annular plates and positioning assemblies, the annular plates and the samples are sequentially sleeved withthe positioning assemblies at intervals, the adjacent annular plates are oppositely arranged, and fixing assemblies used for fixing the annular plates are arranged on the peripheral walls of the adjacent annular plates. During a test, one annular plate is firstly sleeved on the positioning assembly, then one sample is sleeved, the steps are repeated, the other annular plates and the samples are sequentially sleeved on the positioning assembly, finally one annular plate is sleeved, the fixing assembly is installed on the peripheral wall of the adjacent annular plate, the positions of the annular plates are fixed throu