Other Colorimetric Index:
WI(ASTM E313,CIE/ISO,AATCC,Hunter)，
YI(ASTM D1925,ASTM E313),
Metamerism Index MI,
Staining Fastness, Color Fastness, Color Strength, Opacity
8° Glossiness,555 tone classification
--------------------------------------
Wavelength Range: 400~700nm
Measuring Aperture: Ø30mm/Ø25.4mm