Preparation of steel substrates before application of paints and related products - Test methods for metallic blast-cleaning abrasives - Part 5: Determination of percentage defective particles and of microstructure (ISO 11125-5:2025)

This document specifies test methods for the determination of the percentage of defective particles and of the microstructure of metallic blast-cleaning abrasives.

Vorbereitung von Stahloberflächen vor dem Auftragen von Beschichtungsstoffen - Prüfverfahren für metallische Strahlmittel - Teil 5: Bestimmung des Anteils an defekten Körnern und des Gefüges (ISO 11125-5:2025)

Dieses Dokument legt Prüfverfahren zur Bestimmung des prozentualen Anteils von defekten Körnern und des Gefüges von metallischen Strahlmitteln fest.

Préparation des subjectiles d'acier avant application de peintures et de produits assimilés - Méthodes d’essai pour abrasifs métalliques destinés au décapage par projection - Partie 5: Détermination du pourcentage de particules défectueuses et de la microstructure (ISO 11125-5:2025)

Le présent document spécifie des méthodes d’essai pour la détermination du pourcentage de particules défectueuses et de la microstructure des abrasifs métalliques destinés au décapage par projection.

Priprava jeklenih podlag pred nanašanjem barv in sorodnih premazov - Preskusne metode za kovinske granulate za peskanje - 5. del: Določanje odstotka poškodovanih delcev in mikrostrukture (ISO 11125-5:2025)

Ta dokument določa preskusne metode za določanje odstotka poškodovanih delcev in mikrostrukture kovinskih granulatov za peskanje.

General Information

Status
Published
Public Enquiry End Date
02-Jan-2025
Publication Date
30-Sep-2025
Technical Committee
IBLP - Paints and varnishes
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
20-Aug-2025
Due Date
25-Oct-2025
Completion Date
01-Oct-2025

Relations

Effective Date
01-Nov-2025
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026

Overview

SIST EN ISO 11125-5:2025 specifies standardized test methods for determining the percentage of defective particles and the microstructure of metallic blast-cleaning abrasives. This international standard, developed by CEN (European Committee for Standardization) in collaboration with ISO, supports quality assurance in surface preparation processes for steel substrates prior to the application of paints and related coatings. By providing precise testing protocols, SIST EN ISO 11125-5:2025 helps ensure the effectiveness and reliability of abrasive materials used in industrial cleaning and coating operations.

Key Topics

  • Test Methods for Metallic Abrasives: The standard details procedures for evaluating metallic blast-cleaning abrasives, focusing on identifying cracks, voids, shrinkage, and other defects in particles.
  • Determination of Microstructure: It provides guidance for the metallurgical evaluation of particle structure, ensuring abrasives meet specific quality criteria.
  • Sampling and Reporting: SIST EN ISO 11125-5:2025 outlines how to collect representative samples, prepare them appropriately, and document test results.
  • Quality Assurance: The standard forms a critical part of quality control for abrasives, supporting compliance with industry requirements and enhancing end-product performance.

Applications

SIST EN ISO 11125-5:2025 is widely used in industries where the preparation of steel substrates is essential before applying paints or coatings. Practical applications include:

  • Surface Preparation in Construction and Manufacturing
    • Ensures steel surfaces are cleaned to the required standard before painting, galvanizing, or coating, leading to improved adhesion and durability.
  • Quality Control in Abrasive Production
    • Manufacturers use the test methods to monitor and control the quality of metallic abrasives, reducing the presence of defective particles that could compromise surface treatment.
  • Inspection and Certification
    • Third-party testing labs and inspectors reference this standard to verify compliance with project and regulatory specifications.
  • Maintenance and Repair Activities
    • Enables consistent surface preparation during maintenance, leading to longer-lasting protective coatings and reduced lifecycle costs.

Using SIST EN ISO 11125-5:2025 provides tangible benefits, such as increased reliability of protective coatings, reduced risk of coating failures, and improved safety in industries like shipbuilding, oil and gas, bridges, and infrastructure rehabilitation.

Related Standards

SIST EN ISO 11125-5:2025 is part of a broader framework for abrasive testing and steel substrate preparation. Related standards include:

  • ISO 11125 Series – Test methods for metallic blast-cleaning abrasives
    • ISO 11125-1: Sampling procedures for metallic abrasives
    • ISO 11125-3: Methods for determining abrasive hardness
  • ISO 11124 Series – Specifications for metallic blast-cleaning abrasives
    • Details requirements for various types of metallic abrasives used in surface preparation
  • Other Surface Preparation Standards
    • ISO 8501, ISO 8502: Methods for visual assessment and preparation of surfaces before coating

These related standards ensure comprehensive control over both the properties of blast-cleaning abrasives and the surface preparation process, supporting improved results across the coating and protective treatments industry.


Keywords: SIST EN ISO 11125-5:2025, metallic blast-cleaning abrasives, defective particles, microstructure, steel substrate preparation, surface preparation, test methods, abrasive quality control, industrial coatings, CEN, ISO standards.

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SIST EN ISO 11125-5:2025

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Frequently Asked Questions

SIST EN ISO 11125-5:2025 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Preparation of steel substrates before application of paints and related products - Test methods for metallic blast-cleaning abrasives - Part 5: Determination of percentage defective particles and of microstructure (ISO 11125-5:2025)". This standard covers: This document specifies test methods for the determination of the percentage of defective particles and of the microstructure of metallic blast-cleaning abrasives.

This document specifies test methods for the determination of the percentage of defective particles and of the microstructure of metallic blast-cleaning abrasives.

SIST EN ISO 11125-5:2025 is classified under the following ICS (International Classification for Standards) categories: 25.220.10 - Surface preparation; 87.020 - Paint coating processes. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN ISO 11125-5:2025 has the following relationships with other standards: It is inter standard links to SIST EN ISO 11125-5:2018, SIST EN 16803-1:2020, SIST EN ISO 10462:2014/A1:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

SIST EN ISO 11125-5:2025 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-november-2025
Nadomešča:
SIST EN ISO 11125-5:2018
Priprava jeklenih podlag pred nanašanjem barv in sorodnih premazov - Preskusne
metode za kovinske granulate za peskanje - 5. del: Določanje odstotka
poškodovanih delcev in mikrostrukture (ISO 11125-5:2025)
Preparation of steel substrates before application of paints and related products - Test
methods for metallic blast-cleaning abrasives - Part 5: Determination of percentage
defective particles and of microstructure (ISO 11125-5:2025)
Vorbereitung von Stahloberflächen vor dem Auftragen von Beschichtungsstoffen -
Prüfverfahren für metallische Strahlmittel - Teil 5: Bestimmung des Anteils an defekten
Körnern und des Gefüges (ISO 11125-5:2025)
Préparation des subjectiles d'acier avant application de peintures et de produits
assimilés - Méthodes d’essai pour abrasifs métalliques destinés au décapage par
projection - Partie 5: Détermination du pourcentage de particules défectueuses et de la
microstructure (ISO 11125-5:2025)
Ta slovenski standard je istoveten z: EN ISO 11125-5:2025
ICS:
25.220.10 Priprava površine Surface preparation
87.020 Postopki za nanašanje Paint coating processes
barvnih premazov
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 11125-5
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2025
EUROPÄISCHE NORM
ICS 25.220.10 Supersedes EN ISO 11125-5:2018
English Version
Preparation of steel substrates before application of paints
and related products - Test methods for metallic blast-
cleaning abrasives - Part 5: Determination of percentage
defective particles and of microstructure (ISO 11125-
5:2025)
Préparation des subjectiles d'acier avant application de Vorbereitung von Stahloberflächen vor dem Auftragen
peintures et de produits assimilés - Méthodes d'essai von Beschichtungsstoffen - Prüfverfahren für
pour abrasifs métalliques destinés au décapage par metallische Strahlmittel - Teil 5: Bestimmung des
projection - Partie 5: Détermination du pourcentage de Anteils an defekten Körnern und des Gefüges (ISO
particules défectueuses et de la microstructure (ISO 11125-5:2025)
11125-5:2025)
This European Standard was approved by CEN on 8 February 2025.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 11125-5:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 11125-5:2025) has been prepared by Technical Committee ISO/TC 35 "Paints
and varnishes" in collaboration with Technical Committee CEN/TC 139 “Paints and varnishes” 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 February 2026, and conflicting national standards
shall be withdrawn at the latest by February 2026.
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 11125-5:2018.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
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, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 11125-5:2025 has been approved by CEN as EN ISO 11125-5:2025 without any
modification.
International
Standard
ISO 11125-5
Third edition
Preparation of steel substrates
2025-07
before application of paints and
related products — Test methods
for metallic blast-cleaning
abrasives —
Part 5:
Determination of percentage
defective particles and of
microstructure
Préparation des subjectiles d'acier avant application de peintures
et de produits assimilés — Méthodes d’essai pour abrasifs
métalliques destinés au décapage par projection —
Partie 5: Détermination du pourcentage de particules
défectueuses et de la microstructure
Reference number
ISO 11125-5:2025(en) © ISO 2025

ISO 11125-5:2025(en)
© ISO 2025
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 11125-5:2025(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Apparatus . 1
5 Sampling . 1
6 Preparation of the sample . 2
7 Procedure . 2
7.1 Determination of cracks, voids and shrinkage .2
7.2 Determination of defectively shaped shot particles .2
7.3 Determination of defectively shaped grit particles .2
7.4 Determination of defectively shaped cylindrical particles .3
7.5 Determination of defectively shaped irregular particles .3
7.6 Determination of microstructure .3
8 Test report . 3
Bibliography
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