Astm D 589 – 97 (Reapproved 2002) Pdf free download May 16, 2022December 29, 2020 by Mike Standard Test Method for Opacity of Paper (15° Diffuse Illuminant A, 89 % Reflectance Backing and Paper Backing) 1 This…Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here
