Cool Rock climbing helmet with Good Quality (OT002)
Certificate: GS(Germany Safety)
Color: blue/yellow/white/green/red/orange
Holes: 11
Package: 16pcs/carton
Climbing helmet effectively prevent rockfall and non normal shedding comes withhead injury. Wear helmet to correct to hold the forehead and side of brain. The emergence of rockfall don't look up or hand on her head, no place to hide whenhelmet effect. The biggest difference helmet and construction sites for climbing iswearing ordinary helmet were hard hit may helmet did not break, but your neck broken and climbing helmet even if broken, you can still ensure the neck intact.
Test standard
The 1 positive impact test: 5 kg weight (blunt blunt radius of 5 cm) from 2 metersfree fall, hit the top of the helmet, dummy (wood) impact the neck bearing must be less than 8000 Newton (UIAA standard); must be less than 10000 Newton (CE standard). One thousand Newtons equals approximately 100 kilograms force (9.8 Newton = 1 KGF). In other words, the force of the impact of dummy neck bearingmust be less than 800 kilograms force (UIAA standard), must be less than 1000kilograms force (CE standard).
The 2 side impact test: with the positive direction (top) at a 60 degree angle,respectively, from the front, two side and rear tests, blunt weight from a height of 50 cm in free fall, the impact force of dummy neck bearing must be less than 8000 Newton (UIAA standard); must be less than 10000 Newton (CE standard).
3 sharp object penetrates the test: a cone 3 kilogram body (0.5 mm mucro) froma height of 2 meters free fall, the helmet must bear at least one such impact. The helmet allow destroyed, but not allow sharp objects directly touching the scalp.
4 stability test (also called before and after the shift test): the weight of 10 kilograms respectively from the front and rear hit on the helmet, the helmet must still well worn on the dummy head (test record of the helmet mobile smashed afterangle).
