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ISO 11127-4:2020

Preparation of steel substrates before application of paints and related products — Test methods for non-metallic blast-cleaning abrasives — Part 4: Assessment of hardness by a glass slide test

Oct 9, 2020

General information

90.60     Mar 5, 2026

ISO

ISO/TC 35/SC 12

International Standard

25.220.10  

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Scope

This document specifies a method of assessing of whether a non-metallic blast-cleaning abrasive has a minimum hardness of 6 on Mohs' scale.
This document is a part of the ISO 11127 series dealing with the sampling and testing of non-metallic abrasives for blast-cleaning.
The types of non-metallic abrasive and requirements on each are contained in the ISO 11126 series.
The ISO 11126 and ISO 11127 series have been drafted as a coherent set of International Standards on non-metallic blast-cleaning abrasives. Information on all parts of both series is given in Annex A.
NOTE The test described in this document is a pass/fail test and is not a method for the accurate determination of hardness.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11127-4:2011

NOW

PUBLISHED
ISO 11127-4:2020
90.60 Close of review
Mar 5, 2026