GB 2811-2019 Head protection—Safety helmets English
1 Scope
This standard specifies the classification, marking, technical requirements, inspection and identification of safety helmets.
This standard is applicable to safety helmets used for head protection in workplaces.
This standard is inapplicable to head protection articles for firefighting, emergency rescue, sports and vehicles.
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 (including any amendments) applies.
GB/T 2812 Test method of safety helmet
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
safety helmets
a helmets that protects a users's heads from injuries caused by other specific factors such as falling objects or small splash objects
Note: It isThey are generally composed of shell, harness and accessories.
3.2
shell
the outer shell of a safety helmet
Note: It is generally composed of shell, visor, brim and top reinforcement.
3.3
top reinforcement
structure for increasing the strength of the top of the shell
3.4
harness
the general term for the internal components of safety helmet
Note: It is generally composed of headband, sweatband, liner strip, cushion, etc.
3.5
headband
an adjustable band that serves for fixation around the head
