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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We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
Address：No. 3888, Hutai Road, Baoshan District, Shanghai, China
29/5/2014, · ,Helmet, Besides covering a spacewalker's head, ,the helmet, has a Vent Pad. This pad directs oxygen from the Primary Life Support Subsystem and Hard Upper Torso to the front of ,the helmet,. ,The helmet, keeps the oxygen at the right pressure around the head. The main part of ,the helmet, …
Inside, the hard shell, football ,helmets, offer a variety of softer protection around your head. The front of ,the helmet, protects your forehead with a firm foam designed to deflect direct forward hits. The foam around the jaw area is a bit softer for comfort, while still providing firm support.
Fluid ,Inside, has developed pods 3 to 4 mm thick with foam and low-shear oil ,inside, that are added to the ,inside, of a foam ,helmet, liner to assist in managing rotational impacts. They allow ,the helmet, to move slightly sideways upon impact. The technology was developed by researchers at the University of Ottawa and Oblique Technology.
The ,inside, of ,helmets, are made of styrofoam and then lined with other materials, and finally a layer on the top is made of shiny plastic. Different biking categories have different ,helmet, types. For instance, bicycle riders have a lighter ,helmet, since their speed is far less than that of a motorcycle, only if they’re competing in a sport do they have a harder ,helmet, since the speed is increased.
How ,Helmet, Construction And Materials Protect Your Head. The hard outer shell is primarily designed to spread force from an impact over a wider section of ,the helmet,, without cracking or becoming punctured. Once the impact travels across ,the helmet, shell, the layer of Styrofoam ,inside, will collapse in areas where shock absorption is most needed.
A hard hat is a type of ,helmet, predominantly used in workplace environments such as industrial or construction sites to protect the head from injury due to falling objects, impact with other objects, debris, rain, and electric shock. Suspension bands ,inside the helmet, spread ,the helmet's, weight and the force of any impact over the top of the head.
The first ,helmets, were used by Assyrian soldiers in 900 B.C., and they were made of thick leather and bronze to protect the head from blunt objects, swords and arrows during combat. How do ,helmets, work? A ,helmet, has a hard, plastic shell on the outside and foam on the ,inside,.