Tape Retentivity Tester

Retentivity of adhesives used in the manufacture of pressure sensitive adhesive tapes under static load is normally determined with the help of a tape retentivity tester.

In this test, retentivity of the adhesives tape under test is determined by finding the time taken for removal of a specified length of tape from a polished stainless steel plate under the action of a specified shear-off force applied by mean of a dead weight.

The PROLIFIC Tape Retentivity Tester consists of an arrangement to test five test specimens at a time, with individual electronic digital time interval meters having memory back-up and controlled by individual micro-switches. Five sets of dead weights, each consisting of one weight each of 1 kg and 2 kg mass, are provided with the equipment for applying the desired shearing force on the test specimens.

Arrangement is provided on the base of the tester to retain the dead weight on failure of the adhesive bond between the test specimens and the polished stainless steel plates. On dropping down, the weight presses a micro-switch to stop the time interval meter corresponding to the test station of the failed test specimen.

The equipment is finished in grey hammertone / black stove enamel painting and bright chrome plating for give it a corrosion resistant finish.