Astm D523 Pdf New

specular gloss

ASTM D523-14 (reapproved in 2018) remains the active standard for measuring on nonmetallic surfaces . It defines the procedures for using a glossmeter at three specific angles to determine how "shiny" a surface appears. 📐 Core Measurement Geometries

20° (High Gloss):

Used for surfaces that measure above 70 Gloss Units (GU) at the 60° angle. This geometry provides better resolution for very shiny coatings. astm d523 pdf new

Significance and Use

ASTM D523

is the globally recognized standard test method for measuring the specular gloss of nonmetallic specimens. Whether you are in automotive, plastics, or coatings, understanding this standard is essential for ensuring product quality and aesthetic consistency. What is ASTM D523? specular gloss ASTM D523-14 (reapproved in 2018) remains

The ASTM D523 standard is regularly reviewed and updated to reflect advances in technology and changes in industry needs. The latest revisions may include: This geometry provides better resolution for very shiny