| 摘要 |
A scouring pad comprises a fibrous web having adhered thereto by a binder a layer of abrasive grains, which is covered by and adhered to a layer of material which is harder than the set binder. One embodiment comprises a nylon fibrous web having alumina grains adhered to each side by a mixture of an epoxy resin and a polyamino amide mixture, and covered on each side by an adherent layer of a polyurethane binder. |
