DIN EN ISO 8254-2-2003 纸和纸板.光泽度测量.第2部分:75度平行光束,DIN法
Paper and board - Measurement of specular gloss - Part 2: 75° gloss with a parallel beam, DIN method (ISO 8254-2:2003); German version EN ISO 8254-2:2003
This Standard specifies a photometric test method for the assessment of visual gloss by means of a reflectometer value measured at an angle of 75? The Standard is applicable to plane paper and board surfaces of low gloss, commonly called matt papers and boards, including optically brightened samples.