Red fluorescent material Clause Samples

Red fluorescent material. 3.1. When measured with a spectrophotometer in accordance with the provisions of CIE document No. 15 (1971) and illuminated polychromatically with the CIE Standard Illuminant D65 at an angle of 45° to the normal and viewed along the normal (geometry 45/0), the colour of the material in new condition shall be located within the area defined by the chromaticity co-ordinates in table 3 and comply with the luminance factor. Colour 1 2 3 4 Luminance factor Red x 0.690 0.595 0.569 0.655 ≥ 0.30 y 0.310 0.315 0.341 0.345