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Roughness Comparator

A precision nickel Comparator plate for grit and shot-blast surface roughness comparison measurement.

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When steel has been blast-cleaned, the surface consists of random irregularities with peaks and valleys that are not easily characterised.  Because of this random nature, experts have recommended that the profile should be identified as either angular (where grit abrasives have been used) or dimpled (where shot abrasives have been used) and that they should be graded as fine, medium or coarse with each grade being defined by limits specified in ISO 8503.

The Surface Roughness Comparator is supplied in a protective Wallet.

The Surface Roughness Comparator can also be supplied with a X5 Illuminated Magnifier in an industrial foam-filled Carrying Case.

ISO 8503-1: PREPARATION OF STEEL SUBSTRATES BEFORE APPLICATION OFPAINTS AND RELATED PRODUCTS.
SURFACE ROUGHNESS CHARACTERISTICS OF BLAST-CLEANED STEELSUBSTRATES.
PART1: SPECIFICATIONS AND DEFINITIONS FOR ISO SURFACES PROFILECOMPARATORS FOR THE ASSESSMENT OF ABRASIVE BLAST-CLEANED SURFACES.

ISO 8503-2: PREPARATION OF STEEL SUBSTRATES BEFORE APPLICATION OFPAINTS AND RELATED PRODUCTS.
SURFACE ROUGHNESS CHARACTERISTICS OF BLAST-CLEANED STEELSUBSTRATES.
PART2: METHOD FOR THE GRADING OF SURFACE PROFILE OF ABRASIVE BLAST-CLEANED STEEL.
COMPARATOR PROCEDURE.

Product Code Description Price
Roughness Comparator POA