Clean the concrete surface of all contaminants like oil and grease, traces of curing compound and loosely adhering particles, dust, unsound material, plaster, oil, paint, grease, corrosion deposits or algae. The cleaning can be done by sand/grit blasting, high pressure water jet or mechanical scabbling.
It is essential that the surfaces to be bonded are sound, clean and uncontaminated. Roughen the surface to remove any laitance and expose the fine aggregate by light scabbling or grit-blasting. All loose powdering material must be removed. Oil and grease deposits should be removed by steam cleaning, detergent scrubbing or the use of a proprietary degreaser. The cleaned areas should be blown clean with oil-free compressed air before continuing.


































































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