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International Journal of Interdisciplinary Research

Table 4 Chromaticity measurement values of the 4 samples

From: An evaluation of the suitability of fluorescent fabrics and retroreflective materials for road traffic warning clothing in compliance with international standards

 

R1

R2

R3

R4

Luminance factor

0.16

0.17

0.09

0.21

Coordinate x

0.311 2

0.310 7

0.299 4

0.311 0

Coordinate y

0.329 1

0.330 4

0.323 5

0.329 1

  1. CIE-D65, 2°, 45/0 method using Black Underlay. Device: Spectrophotometer CM-2500c (Konica Minolta)