Soft soldering fluxes - Test methods - Part 2: Determination of non-volatile matter, ebulliometric method (ISO 9455-2:1993); German version EN ISO 9455-2:1995— 8 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.