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This part of DIN EN ISO 8503 specifies the requirements for ISO surface profile comparators intended for visual and tactile comparison of steel substrates which have been blast-cleaned with shot abrasives or grit abrasives. ISO surface profile comparators are used for assessing, on site, the roughness of substrates before the application of paints or other protective treatments. The International Standard forming the basis of this standard has been prepared by Technical Committee ISO/TC 35 "Paints and varnishes" in collaboration with Technical Committee CEN/TC 139 "Paints and varnishes", the secretariat of which is held by DIN. The committee responsible for this standard is NA 002-00-10-04 UA "Oberflächenvorbereitung und -prüfung" ("Surface preparation and testing") at DIN.
This document replaces DIN EN ISO 8503-1:1995-08 .
This document has been replaced by: DIN EN ISO 8503-1:2013-05 .