ISO 9454-2:2020

Name: ISO 9454-2:2020 — Soft soldering fluxes — Classification and requirements — Part 2: Performance requirements
SKU: ISO 9454-2:2020
Price: 25 EUR
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Soft soldering fluxes — Classification and requirements — Part 2: Performance requirements

Название (английский):

ISO 9454-2:2020

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

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 6
Дата публикации:: 19 октября 2020 г.
Издание:: ISO IS 9454 edition 2 version 1
ICS:: 25.160.50

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Описание (английский):

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.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 9454-2:2020 specifies the performance requirements for soft‑soldering fluxes delivered as solids, liquids or pastes. It defines how fluxes intended for use with soft solders must perform in laboratory tests (wetting, halide content, acid index, residue behaviour, etc.) and links those requirements to the classification system set out in ISO 9454‑1 (labelling, packaging and coded classification). The standard is intended for fluxes used in general brazing/soldering and electronic and other industrial applications; some fluxes for inert‑gas or vapour‑phase soldering may require purchaser–supplier agreement where criteria are not fully applicable.

Key topics and requirements

Scope and flux forms: Applies to solid, liquid and paste fluxes; requires homogeneity and freedom from detrimental impurities or deposits.

Flux types and codes: Covers resin (rosin)‑based fluxes (type 1), organic non‑resin fluxes (type 2) and inorganic fluxes (type 3), with further subdivision by activation (e.g., halide‑activated) and activity grades (W, X, Y, Z).

Performance test methods: Specifies tests referenced to the ISO 9455 series, including:

Non‑volatile matter and tolerance (ISO 9455‑1/‑2)
Acid number / index determination (ISO 9455‑3) - tolerance example: ±10% on acid index for non‑volatile basis
Copper mirror test and silver‑chromate paper test (oxidation/activation behaviour)
Halide (chloride, bromide, iodide) content measurement (ISO 9455‑6) - numeric limits are set per flux class (examples in tables: 0.01 % up to >1.0 % expressed on non‑volatile basis)
Spreading/wetting (ISO 9455‑10 A/B) - minimum spread area and spread ratio values are given per class
Residue solubility, spattering, tackiness, and copper corrosion tests (ISO 9455 parts 11–15)

Numeric performance tables: Tables 1–3 in the standard provide class‑specific numeric limits for acid index, non‑volatile content tolerances, halogen limits, minimum wetting/spread area and pass/fail criteria for residue and corrosion tests.

Applications and users

Flux manufacturers for product formulation, labeling and classification to meet international performance benchmarks.

Electronics assemblers and PCB manufacturers to select fluxes with required wetting, residue and halide properties.

Metal fabricators and solder process engineers who need predictable solderability and corrosion performance.

Procurement, quality and test laboratories for specification compliance, acceptance testing and supplier evaluation.

Practical benefits include consistent flux selection, reduced risk of corrosion or residue issues, and clearer buyer–supplier agreements when specialised processes (e.g., inert or vapour‑phase soldering) are used.

ISO 9454-2:2020

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and users

Related standards

Технические детали

ISO 9454-1:2016

Soft soldering fluxes — Classification and requirements — Part 1: Classification, labelling and packaging

ISO 9455-17:2024

Soft soldering fluxes — Test methods — Part 17: Surface insulation resistance comb test and electrochemical m…

ISO 9455-3:2019

Soft soldering fluxes — Test methods — Part 3: Determination of acid value, potentiometric and visual titrati…

ISO 9455-6:2022

Soft soldering fluxes — Test methods — Part 6: Determination and detection of halide (excluding fluoride) con…

ISO 9455-10:2012

Soft soldering fluxes — Test methods — Part 10: Flux efficacy test, solder spread method