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ISO 7668:2021

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Abstract

This document specifies methods for the measurement of specular reflectance and specular gloss of flat samples of anodized aluminium using geometries of 20° (Method A), 45° (Method B), 60° (Method C) and 85° (Method D) and of specular reflectance by an additional 45° method (Method E) employing a narrow acceptance angle. The methods described are intended mainly for use with clear anodized surfaces. They can be used with colour-anodized aluminium, but only with similar colours.

Document information

  • Standard from ISO
  • Published:
  • Edition: 4
  • Version: 1
  • Document type: IS
  • ICS 25.220.20
  • ISO TC ISO/TC 79/SC 2

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