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International Journal of Interdisciplinary Research

Table 6 Retroreflective properties at 12′ (0.2°) observation angle and 5° incidence angle after 5 conditions

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

  Observation angle Incidence angle Retroreflective property (cd/lx m2)
R1 R2 R3 R4
Condition 1 12′ 436.8 319.6 799.4 390.1
Condition 2 433.0 343.0 822.9 418.1
Condition 3 444.4 350.1 834.1 431.6
Condition 4 450.1 361.9 859.3 450.6
Condition 5 363.1 283.3 686.4 277.8