International Journal of Interdisciplinary Research
Table 6 Retroreflective properties at 12′ (0.2°) observation angle and 5° incidence angle after 5 conditions
Observation angle | Incidence angle | Retroreflective property (cd/lx m2) | ||||
|---|---|---|---|---|---|---|
R1 | R2 | R3 | R4 | |||
Condition 1 | 12′ | 5° | 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 | ||