1.Seepage prevention performance: The helmet can stand the testing of liquid spraying, and the testing hand model should not shaded. When visor closed, the location of connected with visor and the shell can have anti liquid function.

2.Resistant impact performance: The helmet can stand the 4.9Jenergy impact, after impact the people’s nose not touch the visor, and the visor can open or close normally.

3.Resist concussion performance: The visor can stand impact when using a lead pill of 1g by 150m/s±10m/s velocity, after impact the visor not broken.

4.Absorb concussion energy performance: The helmet can stand 49J energy impact, and when impact passed on the hand model, the impact force should be less than 4900N, and the shell not broke.

5.Resistant penetration performance: The helmet can stand 88.2J energy piercing, and the hammer should not through the helmet and touch the head mold.

6.Anti flame performance: The shell surface burning time should be less than 10s

7.Temperature adaptability:

1)After 4 hours in the temperature(-20℃±2℃), the helmet shell was not broken and the helmet visor was not touched the nose of the the head mold, and could open and close normally.

2)After 4 hours in the temperature(-55℃±2℃), the helmet shell was not broken and the helmet visor was not touched the nose of the the head mold, and could open and close normally.

3) In the normal temperature raining processing 1 hour, and then place 5 minutes, the helmet shell was not broken and the helmet visor was not touched the nose of the the head mold, and could open and close normally.