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| Materials and construction | EN 397 Clause 4.1 |
| External vertical distance | EN 397 Clause 4.2 |
| Internal vertical distance | EN 397 Clause 4.3 |
| Internal vertical space | EN 397 Clause 4.4 |
| Horizontal Distance | EN 397 Clause 4.5 |
| Height of use | EN 397 Clause 4.6 |
| Harness | EN 397 Clause 4.7.1 |
| cradle | EN 397 Clause 4.7.2 |
| Sweat band | EN 397 Clause 4.7.3 |
| Chin strap | EN 397 Clause 4.8 |
| Ventilation | EN 397 Clause 4.9 |
| Accessories | EN 397 Clause 4.10 |
| Impact absorption | EN 397 Clause 6.6 |
| Resistance to penetration | EN 397 Clause 6.7 |
| Pre-conditioning low Tª | EN 397 Clause 6.2.3 |
| Pre-conditioning high Tª | EN 397 Clause 6.2.4 |
| Pre-conditioning water immersion | EN 397 Clause 6.2.5 |
| Pre-conditioning artificial aging | EN 397 Clause 6.2.6 |
| Resistance to flame | EN 397 Clause 6.8 |
| Chinstrap Anchoring | EN 397 Clause 6.9 |
| PH | EN ISO 3071 |
Helmet determination
Description:
Materials and construction, External vertical distance, Internal vertical distance, Internal vertical space, Horizontal Distance, Height of use, Harness, cradle, Sweat band, Chin strap, Ventilation, Accesories, Impact absortion, Resistance to penetration, Pre-conditioning low Tª, Pre-conditioning high Tª, Pre-conditioning water inmersion, Pre-conditioning artificial ageing, Resistance to flame, and Chinstrap Anchoring. According to EN 397. pH According to ISO 3071
Standard :EN 397,
