Abrasive useful e.g. for sanding painted surfaces has an oversize coating of a metal silicate, silica, metal carbonate or metal sulfate anti-clogging agent

摘要

Abrasive with an oversize coating of an inorganic anti-clogging agent selected from metal silicates, silica, metal carbonates and metal sulfates is new. An Independent claim is also included for an abrasive comprising a support layer, a layer of abrasive particles on the support layer, and a layer of inorganic anti-clogging agent on the abrasive layer.