BS EN IEC 61189-5-501:2021 Test methods for electrical materials, printed boards and other interconnection structures and assemblies. General test methods for materials and assemblies. Surface insulation resistance (SIR) testing of solder fluxes
2021BS EN IEC 61189-5-501:2021 Test methods for electrical materials, printed boards and other interconnection structures and assemblies. General test methods for materials and assemblies. Surface insulation resistance (SIR) testing of solder fluxes