Standards like ASTM D523 are periodically reviewed and updated to reflect advances in technology, changes in industry practices, and feedback from users. The new ASTM D523 PDF may introduce several changes or updates:
She refreshed the page. Then she saw it. A link further down the list, hosted on a technical archive she hadn't used in years. The snippet read: ASTM D523 - 12(2018) Standard Test Method for...
The choice of measurement angle depends on the initial shininess of your sample: 60° (Universal) astm d523 pdf new
The glossmeter is placed on the sample, and the specular reflectance is recorded in gloss units.
(and its immediate predecessor D523-14R18) emphasizes several critical factors for accuracy: D523 Standard Test Method for Specular Gloss - ASTM Standards like ASTM D523 are periodically reviewed and
Note: The suffix "14R18" indicates that the standard was originally approved in 1914 and reaffirmed in 2018 (which remains the active, current version of this specific test method). ASTM regularly updates its digital distribution portal, ensuring you always receive the newest available revisions and technical notes. Best Practices for Testing and Compliance
Used for very shiny surfaces; provides better resolution for samples with high 60° readings. A link further down the list, hosted on
, which was reapproved in 2018 to ensure its continued technical relevance. ASTM International Core Measurement Geometries