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 (ISO 11127-4:2020)
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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.
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Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
5 Sampling
6 Procedure
7 Test report
Annex A International Standards for non-metallic blast-cleaning abrasives (informative)
ISO 11127-1:2020 Preparation of steel substrates before application of paints and related products -- Test methods for non-metallic blast-cleaning abrasives -- Part 1: Sampling
ISO 11127-1:2020 Preparation of steel substrates before application of paints and related products -- Test methods for non-metallic blast-cleaning abrasives -- Part 1: Sampling