R2006 Surface Roughness Comparator Grit
R2007 Surface Roughness Comparator Shot
Compliant to ISO 8503-1 and ISO 8503-2
Also known as Grit Comparator, Shot Comparator Blast-cleaned Steel Comparator and Blast Comparator.
Surface Roughness Comparator for grit and shot-blast surface roughness comparison measurement of blast-cleaned steel.
The Surface Roughness Comparator is supplied in a protective Wallet. An X5 Illuminated Magnifier for viewing the Comparator is available as an optional extra.
Compliant to ISO 8503-1 and ISO 8503-2.
Also known as Grit Comparator, Shot Comparator Blast-cleaned Steel Comparator and Blast Comparator
Features
- 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, it is 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 using the four segments on the Comparator.
- Fine-grade profiles equal to segment 1 and up to but excluding segment 2.
- Medium-grade profiles equal to segment 2 and up to but excluding segment 3.
- Coarse-grade profiles equal to segment 3 and up to but excluding segment 4.
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