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Overview ISO 11127-4:2020 specifies a simple, reproducible glass slide test to assess whether a non‑metallic blast‑cleaning abrasive attains a minimum hardness of 6 on the Mohs scale. It is a pass/fa…
1 Scope This is one of a number of parts of ISO 11127 dealing with the sampling and testing of non-metallic abrasives for blast-cleaning. The types of non-metallic abrasive and requirements on each a…