of non-metallic materials like paints, plastics, and coatings. Quick Reference: The Three Geometries
ASTM D523 is critical for quality control in sectors where appearance is a primary performance indicator:
To see exactly what has changed, industry professionals often use the ASTM Redline version, which highlights every addition and deletion between the new active standard and its predecessor. Common updates in these cycles often include: D523 Standard Test Method for Specular Gloss - ASTM astm d523 pdf new
Instead of chasing a static PDF, upgrade your QC workflow:
: Applied when the 60° reading is lower than 10 units. This "grazing angle" is more sensitive to differences in low-gloss surfaces. Valspar Industrial Mix Technical Application : Measurements are performed using a glossmeter This "grazing angle" is more sensitive to differences
If you have arrived here searching for an , you are likely looking for the definitive standard on how to measure the gloss of a surface. Whether you are in quality control, automotive manufacturing, or the coatings industry, ASTM D523 is the benchmark procedure for ensuring surface consistency.
is the Standard Test Method for Specular Gloss. It describes the procedure for measuring the gloss of non-metallic samples using a glossmeter. The standard covers three primary angles of measurement, which are selected based on the gloss level of the material being tested. is the Standard Test Method for Specular Gloss
, which was reapproved in 2018 to ensure its continued technical relevance. ASTM International Core Measurement Geometries