ISO 21924-4:2017
Protective equipment for martial arts — Part 4: Additional requirements and test methods for head protectors
ISO 21924-4:2017 specifies additional requirements and test methods for head protectors without face protection used in unarmed martial arts, such as taekwondo, karate, kick-boxing and similar disciplines.
ISO 21924-4:2017 also applies to head protectors used in boxing.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 Openings
4.3 Mass
4.4 Sizing
4.5 Field of vision
4.6 Restraint
4.7 Zone of protection
4.8 Impact performance
5 Test methods
5.1 General
5.2 Sampling
5.3 Conditioning
5.4 Determination of field of vision
5.5 Restraint
5.6 Zone of protection
5.7 Impact performance
5.7.1 Apparatus
5.7.2 Procedure
6 Marking
7 Information supplied by the manufacturer
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 Openings
4.3 Mass
4.4 Sizing
4.5 Field of vision
4.6 Restraint
4.7 Zone of protection
4.8 Impact performance
5 Test methods
5.1 General
5.2 Sampling
5.3 Conditioning
5.4 Determination of field of vision
5.5 Restraint
5.6 Zone of protection
5.7 Impact performance
5.7.1 Apparatus
5.7.2 Procedure
6 Marking
7 Information supplied by the manufacturer