The is a standard guide for the preparation of zinc-coated (galvanized) steel surfaces for painting. It describes eight methods to treat new galvanized surfaces, whether produced by hot-dip or electroplating, to ensure proper paint adhesion. Standard Overview: ASTM D2092
: Brush-Off Blast Cleaning of Non-Ferrous Metals (for mechanical surface profiling). mechanical methods described in the old standard? astm d2092 pdf
A mechanical method where the surface is lightly blasted with fine abrasive media. The goal is to roughen the surface without removing the protective zinc coating entirely. Why the Standard was Withdrawn ASTM D2092 The is a standard guide for