Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 5-2: General test methods for materials and assemblies - Soldering flux for printed board assemblies (IEC 61189-5-2:2015); German version EN 61189-5-2:2015— 44 стр.
Soft soldering fluxes - Classification and requirements - Part 1: Classification, labelling and packaging (ISO 9454-1:2016); German version EN ISO 9454-1:2016— 17 стр.