ISO Brightness

Article number:
ISO 2470-1
DAkkS - Deutsche Akkreditierungsstelle D-PL-17375-01-00

ISO brightness is the reflectance value (in %) measured in a reflectometer using illuminant C and a filter whose transmission maximum is at a wavelength of 457 nm.

The test is carried out with the spectrophotometer Elrepho according to ISO 2470-1. 10 individual determinations per side are carried out. The aperture must be selected according to the sample size.

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