Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
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The impact, creates a ,force, 28 times gravity!! A person sitting inside the car with seat belts on will de-accelerate with a ,force, 283 times gravity. Note that the National Highway Traffic ,Safety, Administration (NHTSA) states that "the maximum chest acceleration ,shall not exceed, 60 times gravity for time periods longer than 3 milliseconds".
Standard ,impact,: ,Helmet impact, at 9.5m/s. Peak deceleration on ‘driver’s head’ ,shall not exceed, 275G. 2. Low velocity ,impact,: ,Helmet impact, at 6m/s. Peak deceleration ,shall not exceed, 200G with a maximum average of 180g. 3. Low lateral ,impact,: ,Helmet impact, at 8.5m/s. Peak deceleration ,shall not exceed, …
shall not exceed, 2.75 inches (70 mm). 5.6. The peak ,force shall not, be less than 550 lbs. ,force, and there ,shall, be no mechanical failure resulting in an exposed material end when tested to the requirements of section 9. 6. General 6.1. Labeling 6.1.1. Each faceguard ,shall, …
Low lateral ,impact,: ,Helmet impact, at 8.5m/s. Peak deceleration ,shall not exceed, 275G. Advanced Ballistic Protection: A 225g metal projectile fired at 250km/h. The peak deceleration ,shall not exceed, 275G. Crush: A 10kg weight falling 5.1 meters onto ,helmet,. Lateral and longitudinal tests. The transmitted ,force, should ,not exceed, 10 kN.
Peak G ,shall not exceed, 290G for any time duration. With a weight of 5kg, ,the impact force, is 150J in the first drop and 110J in the second. See the diagram below. ,Impact, Absorption Test - DOT. The ,helmet, is dropped in two separate trials. Twice on to a flat anvil from a height of 1.82m and twice on to a rounded anvil from 1.38m. See the ...
1/6/2014, · ,The impact, performance requirements are: (1) shock absorption: maximum ,force, transmitted to headform ,shall not exceed, 5 kN under 50 J ,impact,; and (2) penetration resistance: a 3 kg striker ,shall not, contact the surface of headform when it is released from 1 m in height.
The typical bicycle crash ,impact, occurs at a ,force, level equating to about 1 meter (3 feet) of drop, or a falling speed of 10 MPH. The rider's forward speed before the crash may be considerably higher than that, but the speed of the head closing with the ground, plus a component of the forward speed, less any energy "scrubbed off" in other ways, normally average out at about 10 MPH.
No ,helmet, can protect against all possible impacts, and ,the impact, may ,exceed, the ,helmet's, protection. No ,helmet, protects any part of the body that it does ,not, cover, so even if the head injury is avoided you may have a smushed face, broken bones or worse.