Compliance With Following International Standards: ASTM C1138 This test method covers a procedure for determining the relative resistance of concrete(including concrete overlays and impergnated concrete) to abrasion under water. This procedure simulates the abrasive action of waterborne particles (silt, sand, gravel, and other solids). Further details available on our website. The Price mentioned here are subject to change as per the capacity, specifications and application of the user.