Chinstrap Retention
Helmets, which have been previously impact tested, will be subjected to the
chinstrap retention test, and shall be tested in accordance with BS6658:1985 clause
6.3
The test described in Appendix J is modified such that the helmet brim support is
removed. The helmet under test is supported by the head form only.
The 10kg drop weight shall be dropped from a height of 500mm.
Recorded shall be made of the dynamic extension, residual extension and slippage.
The chinstrap and anchorage points should be examined and should remain
attached.
4.4 Communication