Marco’s Monday started with a crackling phone call from the quality control lab. “The new magenta pigment batch is failing,” Lena said. “The grind is too coarse, but our old gauge is scratched. We need the exact procedure from ISO 1524.”
He called their purchasing department, got the official PDF from the national standards body within an hour, and printed two clean copies. Lena followed the procedure exactly: a drop of pigment paste at the deep end, drawdown with the scraper, then reading where the first streak of particles appeared. iso 1524 pdf
It applies to most liquid coatings but specifically excludes products containing flake pigments, such as glass flakes or micaceous iron oxides, which could damage the test equipment. Testing Apparatus and Method Marco’s Monday started with a crackling phone call
ISO 1524 is the international standard for determining the in paints, varnishes, and printing inks . It provides a standardized laboratory method for measuring the particle size of pigments and other solids within a liquid medium, which is critical for ensuring product consistency and performance. Core Purpose and Importance We need the exact procedure from ISO 1524