Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Materials
4 Construction
5 Performance
6 Sampling and test sequence
7 Marking
8 Information for users
Appendices
A Recommended method for assessing ageing of shell
materials
B Assessment of extent of the area of cover
C Shock absorption test
D Penetration test
E Retention system strength test
F Test for effectiveness of retention system
G Conditioning
H Selection and maintenance of protective caps
Figures
1 Extent of area of protection and cap positioning
index
2 Test block for testing penetration resistance
3 Apparatus for testing retention system strength
4 Simulated chin for testing chin straps incorporating
a chin cup
5 Modified headform for testing retention system
effectiveness
6 Apparatus for testing retention system effectiveness