What Is Emery Cloth?

Emery cloth is a fabric that is covered with a range of grades of abrasive material and is used for "sanding" down to either smooth a surface, remove deep scratches, remove an oxidised layer, or form a shape or angle. In plastic pipe systems, it is most commonly used to remove any oxidised layers from older pipe which is being re-used (such as oxidising from sunlight) and keying the pipe surface before cementing.