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Status : Withdrawn
Standard Type : Main
Document No : ISO 3873:1977
Document Year : 1977
Pages : 8
Edition : 1
Section Volume : Personal safety -- Protective clothing and equipment (ISO/TC 94.)
Specifies physical and performance requirements, methods of test and marking requirements. The mandatory requirements apply to helmets for general use in industry. Additional optional performance requirements are included: Shock absorption, penetration, flammability, electrical insulation, and lateral rigidity.