ASD-STAN PREN 4689
Aerospace series Paints and varnishes — Two components cold curing polyurethane finish — High flexibility and chemical agent resistance for military application
|Publication Date:||1 December 2019|
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 in accordance with (i.a.w.) their instructions/Table 1.