| 主权项 |
1. An abrasive article comprising:
a first stack comprising an abrasive layer a coupled to a mesh layer V and a reduction layer P, where the surface area of one face of the reduction layer P is less than the surface area of the abrasive layer a, and the layers are ordered in a first arrangement selected from the group PVaVP, VaVP, VPaPV, VaVPP, VaPPV, aVPP, aPPV, aVP or aPV; and a second stack coupled to the first stack, the second stack comprising an abrasive layer a coupled to a mesh layer V and a reduction layer P, where the surface area of one face of the reduction layer P is less than the surface area of the abrasive layer a, and the layers are ordered in a second arrangement selected from the group PVaVP, VaVP, VPaPV, VaVPP, VaPPV, aVPP, aPPV, aVP or aPV; where the first arrangement is different than the second arrangement. |
