SICIS Vetrite Certificates ISO UNI EN Standards

Materiali Energia Innovazione Rev. -- Execution Drafting Approval Page 6 of 9 _Eng. Mattia Santandrea, PhD_ _Eng. Mattia Santandrea, PhD_ _Eng. Luca Laghi_ |SQM_348_2020| Soci Fondatori Figure 4. Comparison between the reference specimen and the conditioned specimen– Type 4. Figure 5. Rating scheme for components of color differences (chroma, hue and lightness) following Ref. 2-e. ΔCvis 100% 50% 30% 15% 0% White -1 -1 -1 0 0 Black 0 0 0 0 0 Yellow 0 0 0 0 0 Magenta 0 0 0 0 0 Cyan 0 0 0 0 0 Table 3. Chroma variation (ΔCvis) of the conditioned specimen with respect to the reference specimen – Type 3.

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