EN ISO 9455-14:2017
(Main)Soft soldering fluxes - Test methods - Part 14: Assessment of tackiness of flux residues (ISO 9455-14:2017)
Soft soldering fluxes - Test methods - Part 14: Assessment of tackiness of flux residues (ISO 9455-14:2017)
ISO 9455-14:2017 specifies a qualitative method for the assessment of the tackiness of the residues of a soft soldering flux after a soldering process. The method is applicable to all fluxes, solder pastes and flux cored solder wires. The method is particularly appropriate for applications where flux residues are left in situ on electrical and electronic equipment.
Flußmittel zum Weichlöten - Prüfverfahren; Teil 14: Bestimmung des Haftvermögens von Flußmittelrückständen (ISO 9455-14:2017)
Flux de brasage tendre - Méthodes d'essai - Partie 14: Détermination du pouvoir collant des résidus de flux (ISO 9455-14:2017)
ISO 9455-14:2017 spécifie une méthode quantitative d'évaluation du pouvoir collants des résidus de flux de brasage tendre après brasage. La méthode est applicable à tous les flux, aux pâtes de brasage et aux fils à flux incorporé. La méthode est particulièrement appropriée aux applications pour lesquelles les flux sont laissés in situ sur les équipements électriques et électroniques.
Talila za mehko spajkanje - Preskusne metode - 14. del: Ocena adhezivnosti ostankov talila (ISO 9455-14:2017)
Ta dokument določa kvalitativno metodo za ocenjevanje oprijemljivosti ostankov talila za mehko spajkanje po postopku spajkanja. Metoda se uporablja za vsa talila, spajkalne paste in mehke spajke v obliki strženske žice. Metoda je posebej primerna v primerih, ko se ostanki talila nabirajo na električni in elektronski opremi.
General Information
- Status
- Published
- Publication Date
- 19-Sep-2017
- Withdrawal Date
- 30-Mar-2018
- Technical Committee
- CEN/TC 121 - Welding
- Drafting Committee
- CEN/TC 121 - Welding
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 20-Sep-2017
- Completion Date
- 20-Sep-2017
Relations
- Effective Date
- 27-Sep-2017
- Effective Date
- 28-Jan-2026
Overview
EN ISO 9455-14:2017 is an international standard specifying a qualitative test method for assessing the tackiness of flux residues left after the soft soldering process. This standard applies broadly to all types of soft soldering fluxes, including solder pastes and flux cored solder wires. The assessment of flux residue tackiness is vital for applications where flux residues remain on electrical and electronic equipment, as tacky residues can affect reliability and functionality.
Developed under the collaboration of ISO Technical Committee 44 and CEN Technical Committee 121, this standard ensures consistent evaluation methods aligned with industry requirements across Europe and internationally. It supersedes the earlier EN ISO 29455-14:1993 edition, reflecting editorial updates and improved test reporting.
Key Topics
- Scope of Testing: The method is designed for qualitative evaluation of tackiness in flux residues post-soldering. It is suitable for liquid, solid, paste fluxes, solder pastes, and flux cored solder wires.
- Test Principle: Flux and solder materials are melted together on a copper test piece allowing residues to form naturally. Once cooled, the residue is dusted with chalk powder and brushed to observe adhesion.
- Materials and Apparatus:
- Copper test pieces with a depressed center to hold solder.
- Solder baths maintained at specific temperatures depending on solder alloys (e.g., Sn60Pb40 at 235°C).
- Powedered chalk and soft brushes for residue examination.
- Degreasing solvents, acid cleaning solutions, and drying ovens.
- Test Procedure:
- Test pieces are cleaned, flux applied, solder melted, and allowed to cool.
- Residues are dusted with chalk powder and brushed gently.
- Observation of chalk removal determines tackiness: easy removal indicates "not tacky", while strong adhesion indicates tackiness.
- Reporting: Results are recorded qualitatively, enabling manufacturers and users to assess the suitability of flux for specific applications and equipment longevity.
Applications
The EN ISO 9455-14:2017 standard is widely used in industries reliant on soft soldering processes, especially where electrical or electronic assemblies must retain flux residues without adverse effects. Applications include:
- Electronics Manufacturing: Ensuring flux residues on printed circuit boards (PCBs) are non-tacky to prevent contamination and mechanical issues.
- Electrical Equipment Assembly: Assessing flux residues on connectors and terminals where residue tackiness can affect conductor connections.
- Solder Material Quality Control: Qualification of new flux formulations and solder pastes during development and production stages.
- Quality Assurance Testing: Routine testing by manufacturers to maintain consistent product performance and compliance with international standards.
By applying this standard, companies can minimize risks related to flux residue performance, such as corrosion, contamination, and impaired electrical insulation.
Related Standards
EN ISO 9455-14:2017 works in conjunction with several other standards within the ISO 9455 series and related soldering norms:
- ISO 9455-1 & ISO 9455-2: Methods for determination of non-volatile matter in soft soldering fluxes, supporting sample preparation for Part 14 testing.
- ISO 9453: Specifies chemical compositions and forms of soft solder alloys, ensuring correct material specifications for testing.
- ISO 197-1: Provides terms and definitions for copper and copper alloys used as test piece materials in soldering applications.
- Additional parts of ISO 9455 series cover flux test methods such as activity and corrosion testing, complementing the tackiness assessment.
These standards collectively support comprehensive evaluation and quality control of fluxes and soldering materials in manufacturing environments.
By adhering to EN ISO 9455-14:2017, manufacturers and quality professionals can ensure consistent, reliable evaluation of flux residue tackiness, enhancing product quality and operational reliability in soft soldering applications. This standard is a critical reference for industries focused on electronics and electrical assembly where flux residues are a key process parameter.
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Frequently Asked Questions
EN ISO 9455-14:2017 is a standard published by the European Committee for Standardization (CEN). Its full title is "Soft soldering fluxes - Test methods - Part 14: Assessment of tackiness of flux residues (ISO 9455-14:2017)". This standard covers: ISO 9455-14:2017 specifies a qualitative method for the assessment of the tackiness of the residues of a soft soldering flux after a soldering process. The method is applicable to all fluxes, solder pastes and flux cored solder wires. The method is particularly appropriate for applications where flux residues are left in situ on electrical and electronic equipment.
ISO 9455-14:2017 specifies a qualitative method for the assessment of the tackiness of the residues of a soft soldering flux after a soldering process. The method is applicable to all fluxes, solder pastes and flux cored solder wires. The method is particularly appropriate for applications where flux residues are left in situ on electrical and electronic equipment.
EN ISO 9455-14:2017 is classified under the following ICS (International Classification for Standards) categories: 25.160.50 - Brazing and soldering. The ICS classification helps identify the subject area and facilitates finding related standards.
EN ISO 9455-14:2017 has the following relationships with other standards: It is inter standard links to EN 29455-14:1993, CEN/TS 15087:2005. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN ISO 9455-14:2017 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-februar-2018
1DGRPHãþD
SIST EN 29455-14:1998
Talila za mehko spajkanje - Preskusne metode - 14. del: Ocena adhezivnosti
ostankov talila (ISO 9455-14:2017)
Soft soldering fluxes - Test methods - Part 14: Assessment of tackiness of flux residues
(ISO 9455-14:2017)
Flußmittel zum Weichlöten - Prüfverfahren; Teil 14: Bestimmung des Haftvermögens von
Flußmittelrückständen (ISO 9455-14:2017)
Flux de brasage tendre - Méthodes d'essai - Partie 14: Détermination du pouvoir collant
des résidus de flux (ISO 9455-14:2017)
Ta slovenski standard je istoveten z: EN ISO 9455-14:2017
ICS:
25.160.50 Trdo in mehko lotanje Brazing and soldering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 9455-14
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2017
EUROPÄISCHE NORM
ICS 25.160.50 Supersedes EN 29455-14:1993
English Version
Soft soldering fluxes - Test methods - Part 14: Assessment
of tackiness of flux residues (ISO 9455-14:2017)
Flux de brasage tendre - Méthodes d'essai - Partie 14: Flußmittel zum Weichlöten - Prüfverfahren; Teil 14:
Détermination du pouvoir collant des résidus de flux Bestimmung des Haftvermögens von
(ISO 9455-14:2017) Flußmittelrückständen (ISO 9455-14:2017)
This European Standard was approved by CEN on 12 September 2017.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 9455-14:2017 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 9455-14:2017) has been prepared by Technical Committee ISO/TC 44 “Welding
and allied processes” in collaboration with Technical Committee CEN/TC 121 “Welding and allied
processes” the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2018, and conflicting national standards shall
be withdrawn at the latest by March 2018.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 29455-14:1993.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 9455-14:2017 has been approved by CEN as EN ISO 9455-14:2017 without any
modification.
INTERNATIONAL ISO
STANDARD 9455-14
Second edition
2017-08
Soft soldering fluxes — Test
methods —
Part 14:
Assessment of tackiness of flux
residues
Flux de brasage tendre — Méthodes d’essai —
Partie 14: Détermination du pouvoir collant des résidus de flux
Reference number
ISO 9455-14:2017(E)
©
ISO 2017
ISO 9455-14:2017(E)
© ISO 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
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ii © ISO 2017 – All rights reserved
ISO 9455-14:2017(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Reagents and materials . 1
6 Apparatus . 2
7 Test pieces . 2
8 Procedure. 3
8.1 Preparation of the test pieces. 3
8.2 Heating the test piece . 3
9 Examination of the test piece . 4
10 Expression of results . 4
11 Test report . 4
ISO 9455-14:2017(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of
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