Preparation of steel substrates before application of paints and related products. Test methods for metallic blast-cleaning abrasives. Part 3: Determination of hardness (ISO 11125-3:2018)
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This document specifies a test method for the determination of the Vickers hardness of metallic blast-cleaning abrasives. This method is not recommended for the testing of particle sizes below 0,3 mm. NOTE Accurate testing of particles below 0,3 mm (grades S040/G050) is extremely difficult. This is one of a number of parts of ISO 11125 dealing with the sampling and testing of metallic abrasives for blast-cleaning. The types of metallic abrasive and requirements on each are contained in the various parts of ISO 11124. The ISO 11124 and ISO 11125 series have been drafted as a coherent set of International Standards on metallic blast-cleaning abrasives. Information on all parts of both series is given in Annex A.
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Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
5 Sampling
6 Preparation of the sample
7 Procedure
8 Expression of results
9 Alternative hardness scales
10 Test report
Annex A International Standards for metallic blast-cleaning abrasives (informative)