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ISO 9454-2:2020

Soft soldering fluxes — Classification and requirements — Part 2: Performance requirements

Publication date:   Oct 19, 2020

General information

90.93   Standard confirmed   Sep 7, 2026

ISO

ISO/TC 44/SC 12 Soldering materials

International Standard

25.160.50   Brazing and soldering

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Scope

This document specifies the performance requirements for fluxes in solid, liquid and paste forms intended for use with soft solders.
NOTE 1 ISO 9454‑1 specifies the requirements for labelling and packaging as well as the coding system for the classification of the fluxes.
NOTE 2 Some of the fluxes intended for inert gas and vapour phase soldering may not pass some of the criteria in Tables 1 and 2.
Requirements for these fluxes are agreed between the purchaser and the supplier.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9454-2:1998

NOW

PUBLISHED
ISO 9454-2:2020
90.93 Standard confirmed
Sep 7, 2026