DIN EN 4687-2021 航空航天系列. 色漆和清漆. 无铬(非腐蚀抑制)双组分室温固化底漆. 军用无铬底漆; 德文和英文版 EN 4687-2021
Aerospace series - Paints and varnishes - Chromate free (non corrosion inhibiting) two-components room temperature curing primer - Chromate free primer for military application; German and English version EN 4687:2021
This document defines the requirements for a two-components, chromate and lead-free primer. The coating applies to fibre reinforced composite materials, titanium and corrosion resistant steels and other suitably prepared corrosion resistant substrates.