Water Rescue Helmet:
▲ Standard: XF 633-2006 "Protective Clothing for Firefighters' Emergency Rescue"
1. Color: Red.
2. Composed of shell, foam buffer layer, and comfort layer; drainage and ventilation holes ≥6.
3. Helmet features hole design for ventilation, weight reduction, and drainage, protecting ears and occipital bone;
4. ▲ Remains floating on water surface after immersion in water for ≥48h;
5. Top impact acceleration performance: Maximum acceleration ≥500gn, duration of acceleration exceeding 150gn ≤2ms;
6. ▲ Chin strap tensile strength: No breakage or slippage of chin strap, elongation ≥10mm; Lateral rigidity of helmet: Maximum deformation of shell ≥20mm, residual deformation after unloading ≤10mm;
7. ▲ Weight ≤620g
8. ▲ Impact absorption performance: Maximum force on headform ≥32000N;
▲ Provide test report issued by national-level or nationally accredited third-party testing institution. Items marked with "▲" must be reflected in the test report.