| 摘要 |
A sanding paper for use with a floor sander having one direction sanding comprising a paper sleeve or belt having a length and a width and a first surface and a second surface joined together and running parallel along the length of the sand paper wherein the first surface is disposed on the sander to apply to the floor first and the second to follow immediately thereafter and wherein the first surface has a grit which is more coarse than the second surface. The sanding paper first grit is a grit between 24-60 and the second grit is between 80 and 120 grit. In place of a middle grit, The intermediate surface between the first surface and second surface and wherein the first surface is between 24 and 40 grit, the intermediate surface between 41 and 80 grit and the third surface between 80 and 120 grit. |
