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Overview - ISO 3873:1977 (Industrial safety helmets) ISO 3873:1977 establishes physical and performance requirements, test methods and marking rules for industrial safety helmets intended for general…
Overview - ISO 3873:2025 (Industrial protective helmets) ISO 3873:2025 is the International Standard specifying physical and performance requirements, test methods and marking requirements for indust…
1 Scope This document specifies physical and performance requirements, test methods and marking requirements for industrial protective helmets . This document describes the requirements for two helme…