Coil coated metals. Test methods - Colour difference and metamerism. Instrumental comparison
Coil coated metals. Test methods - Colour difference and metamerism. Instrumental comparison
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What is BS EN 13523 ‑ 3 about?
BS EN 13523 ‑ 3 is one of the parts of a multi-series procedures for determining the instrumental colour difference (CIELAB) of an organic coating on a metallic substrate compared to another one used as a reference and the metamerism depending on the illuminant. BS EN 13523 ‑ 3 provides two methods to determine instrumental colour difference:
Measurement using a tristimulus colourimeter
Measurement using a spectrophotometer or equivalent
Note: Establishing a reference as well as the magnitude of an acceptable colour difference are not covered by this method.
Who is
Упомянутые в описании и другие стандарты BS