| 摘要 |
A diamond trowel blade 20 comprises diamond particles that will attach to a power trowel for surface preparation of hardened concrete surfaces. The diamond trowel blade 20 includes a diamond bearing surface 22; a backing plate 24; an intermediate layer 28; and a mounting means 26 for attaching the trowel blade 20 to the power trowel. A method for mechanically preparing a concrete surface with a diamond trowel blade 20 attached to a power trowel including the surface preparing steps of: attaching the diamond trowel blade 20 with the power trowel; selecting the diamond trowel blade 20 with the appropriate grit for the concrete surface; directing the rotating diamond trowel blade 20 over the surface until the smoothness is attained for the particular grit in use; and repeating the steps of selecting, directing, and repeating until the user achieves the smoothness desired.
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