DIN EN 4689:2021 Aerospace series - Paints and varnishes - Two-components room temperature curing polyurethane finish - High flexibility and chemical agent resistance for military application; German and English version EN 4689:2021
This document specifies the requirements for a two-components flexible polyurethane topcoat to be applied over EN 4687 and/or EN 4688 primers mainly for exterior aerospace applications. The primer and the finish tested to this document will be from the same manufacturer applied i
DIN EN 4689:2021 history
2021DIN EN 4689:2021 Aerospace series - Paints and varnishes - Two-components room temperature curing polyurethane finish - High flexibility and chemical agent resistance for military application; German and English version EN 4689:2021
1970DIN EN 4689 E:2020-10 Aerospace series - Paints and varnishes - Two-components room temperature curing polyurethane finish - High flexibility and chemical agent resistance for military application
2020DIN EN 4689 E:2020 Draft Document - Aerospace series - Paints and varnishes - Two-components cold curing polyurethane finish - High flexibility and chemical agent resistance for military application; German and English version FprEN 4689:2020