Standard Test Method for Opacity of Paper (15°;Diffuse Illuminant A, 89% Reflectance Backing and Paper Backing)
NORMA vydaná dňa 10.12.1997
Označenie normy: ASTM D589-97
Poznámka: NEPLATNÁ
Dátum vydania normy: 10.12.1997
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
Absorption-paper, Absorption coefficient, Bond/book paper, Contrast ratio, Illumination, Instrumental measurement, Light-transmission and reflection, Opacity/opaque materials, Optical materials/properties/tests, Paper, Printing opacity, Reflectance and reflectivity-copy materials/paper, Scattering power, Visual examination-copy materials, Writing paper, opacity-paper, by opacity meter test