The ASTM D523 standard provides a widely accepted method for measuring the specular gloss of surfaces. The standard is significant because it allows manufacturers and researchers to compare the glossiness of different materials and coatings. The procedure for measuring specular gloss involves preparing specimens, calibrating the gloss meter, and measuring the specular gloss at different angles of incidence. The applications of ASTM D523 are diverse, and the standard is widely used in various industries.
Understanding the New ASTM D523-25 Standard for Specular Gloss astm d523 pdf new
Based on interlaboratory tests from 2023, the new standard provides updated repeatability limits (r) and reproducibility limits (R). For example, for 60° gloss on paint: The ASTM D523 standard provides a widely accepted