The James Bond Tester™ MK IV or pull off adhesion test measures the bond strength or tensile strength of concrete, asphalt, tile, concrete repair, or other overlay material by the direct tension or pull off method. By pulling a 50 mm (2 inch) steel disk attached to the material under the unit can,
* Measure the near surface strength of a substrate in order to determine the substrates quality before applying an overlay
* Determine the bond strength of a repair or overlay material after it is applied to
Source: NDT
