Historical
ISO 8254-3:2004
Paper and board - Measurement of specular gloss - Part 3: 20 degree gloss with a converging beam, TAPPI method
ISO 8254-3:2004 specifies a method for measuring the specular gloss of paper and board at an angle of 20° to the normal to the paper surface. It is applicable chiefly to highly glossy surfaces, such as cast-coated, lacquered, highly varnished or waxed papers and high-gloss ink films.
International Organization for Standardization [iso]