This standard specifies the terms and definitions, classification and designation, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage of helmets for firemen.
This standard is applicable to helmets for firemen used in fire fighting and rescue.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging — Pictorial marking for handling of goods
GB 811-2010 Helmets for motorcyclists
GB/T 2410-2008 Determination of the luminous transmittance and haze of transparent plastics
GB/T 4744 Textiles — Testing and evaluation for water resistance — Hydrostatic pressure method
GB/T 5455 Textiles — Burning behavior — Determination of damaged length, afterglow time and after flame time of vertically oriented specimens
GB/T 9969 General principles for preparation of instructions for use of industrial products
GB/T 10000-1988 Human dimensions of Chinese adults
3 Terms and Definitions
For the purpose of this document, the following terms and definitions apply.
3.1
Helmet for firemen
Galeiform protective harness used to protect head safety of firemen in fire fighting and rescue.
3.2
Shell
The enclosure of helmet for firemen.
3.3
Buffer layer
Comfort cushion layer located between suspension and shell internal surfaces to absorb striking energy.
3.4
Suspension
Lining belt or pad within helmet for firemen and contact with head.
3.5
