ISO 28199-3:2021

Paints and varnishes — Evaluation of properties of coating systems related to the spray application process — Part 3: Assessment of sagging, formation of bubbles, pinholing and hiding power

This document specifies visual methods for the assessment of tendency to sagging, formation of bubbles, pinholing and hiding power of coating materials applied to a test panel under defined conditions, using spray application process. Assessment using measuring techniques is also described for all evaluations.