BS 4423:1969
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
05-15-2000
English
06-24-1969
Co-operating organizations
Foreword
Specification
1 Scope
2 Definitions
3 Weight and fit
4 Materials
5 Finish
6 General construction
7 Shell
8 Harness
9 Extent of protection
10 Sampling for testing
11 Headforms for testing
12 Compliance with construction requirements
13 Conditioning for performance tests
14 Shock absorption test for the complete helmet
15 Test for helmet strength and resistance to
penetration
16 Test for attachment of harness
17 Shock absorption test for protective padding
materials
18 Test for flammability of shell
19 Marking
Appendices
A Shock absorption test for complete helmet
B Test for helmet strength and resistance to
penetration
C Test for attachment of harness
D Test for shock absorption qualities of protective
padding materials
E Test for flammability of shell
F Basic requirements for oven and refrigerator
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