この拡散反射率は、厚み 5mmの《EVER-WHITE》No.8247 の光学研磨面による平衡光沢面を
日立製分光光度計 U-3410 を用い正反射成分を除き測定したものです。


The diffuse reflectance was measured on the polished optical flat surface of 5mm-thick
《EVER-WHITE》 No.8247 by Hitachi Color Analyzer U-3410, excluding specular component.


波    長
Wevelength
(nm)
反  射  率
Reflectance
(%)
波    長
Wevelength
(nm)
反  射  率
Reflectance
(%)
220
260
300
340
380

420
460
500
540
580

620
660
700
740
780

820
860
900
940
980

1020
1060
1100
1140
1180

1220
1260
1300
1340
100.37
17.52
23.76
44.46
63.82

82.54
84.28
85.24
85.90
85.99

85.57
85.75
86.73
86.46
86.22

85.94
85.54
85.21
84.75
84.31

84.12
83.87
83.60
83.25
82.98

82.84
82.47
82.34
82.03
1380
1420
1460
1500
1540

1580
1620
1660
1700
1740

1780
1820
1860
1900
1940

1980
2020
2060
2100
2140

2180
2220
2260
2300
2340

2380
2420
2460
2500
81.68
80.83
80.96
80.68
80.33

79.90
79.57
79.27
78.80
78.24

77.19
76.76
76.41
75.85
74.89

74.74
74.74
74.96
74.68
74.67

70.99
68.10
68.20
69.24
68.85

68.79
68.02
65.78
65.51
(By MCRL/8.02.1990)

EVER-WHITE No.9100  MENU  EVER-GRAY No.3000