【表　１.】 この反射率は、厚み 5mmの《EVER-WHITE》No.9582の光沢光学研磨面を日立製分光高度計 M 307を用い、JIS Z 8722に従って測定したもので、（財）日本色彩研究所において値付けされ たものです。 【Table 1.】 The diffuse reflectance was measured on the polished optical flat surface of 5mm-thick 《EVER-WHITE》No.9582 with Hitachi Color Analyzer M 307 according to JIS Z 8722. The results were reported by Japan Color Research Institute (JCRI), Tokyou, Japan.

反射率(%) 　　　　　　　Reflectance 波　長(nm) Wavelength		正反射成分を含む拡散反射率 Including Specular Component (Reported by JCRI as No.57142-2200)	正反射成分を除く拡散反射率 Excluding Specular Component (Reported by JCRI as No.56227-1399)
380 390 400 410 420 430 440 450 460 470 480 490 500 510 520 530 540 550 560 570 580 590 600 610 620 630 640 650 660 670 680 690 700 710 720 730 740 750 760 770 780		95.5 96.7 97.8 98.2 98.5 98.6 98.4 98.5 98.5 98.6 98.6 98.7 98.8 98.9 98.8 98.9 99.0 99.0 98.9 98.9 99.0 99.0 99.0 99.0 99.0 99.0 99.0 99.0 99.0 99.0 99.1 99.3 99.4 99.4 99.4 99.4 99.3 99.4 99.2 99.2 99.1	88.2 89.5 89.7 91.4 91.7 92.0 92.0 92.1 92.1 92.3 92.3 92.5 92.6 92.7 92.6 92.7 92.8 92.8 92.8 92.8 92.8 92.8 92.8 92.7 92.7 92.7 92.8 92.7 92.8 92.8 92.8 92.9 92.9 92.9 92.8 92.8 92.8 92.8 92.6 92.6 92.5