Watermarks or traces of dirt, gas scratches or grinding residues can be effortlessly removed with steel wool fine Nr.000. Before using the steel wool tap well so that no coarse residues stick to the steel wool. Also, before using the glass or mirror, check if any external particles are visible on the surface. Thus you avoid that you do not grind in any further scratches.
Grade pure steel wool tapes made of 1a-quality steel in packages with 200 g filling weight or 5 kg roll.