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.
It does not belong to safety shoes and can be given to users
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..
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
The inner ,shell, is made of polystyrene with variable density providing a better dissipation of the energy produced upon impact. For this purpose XC ,helmet, is designed and produced in a South Korean premium motorcycle ,helmets, factory (Koreans are known to be the best producers of motorcycle ,helmets, with the Japanese).
The Brodie ,helmet, is a steel combat ,helmet, designed and patented in London in 1915 by John Leopold Brodie. A modified form of it became the ,Helmet,, Steel, Mark I in Britain and the M1917 ,Helmet, in the U.S. Colloquially, it was called the shrapnel ,helmet,, battle bowler, Tommy ,helmet,, tin hat, and in the United States the doughboy ,helmet,.It was also known as the dishpan hat, tin pan hat ...
Another somewhat less popular shape of half shell helmet is a retro full cut which covers your ears as well. In addition to the safety aspect of it, a full cut helmet will also keep your ears warm when skating during wintertime.
Intermediate Oval Shape For myself, I find the fit of this Intermediate Oval shaped helmet better than average for me despite the fact my skull is round oval. I interpret this unusual level of comfort to mean the N100-5 helmet might be shaped with a tendency towards round oval on the intermediate oval 7scale.
Today's helmets typically have polycarbonate shells on the order of 3.35 mm. The hard outer shell protects the head from local impacts by delocalizing the force, so the load can be absorbed by the other elements. Polycarbonates are ideal materials for outer shells because they are lightweight, tough and exhibit good impact strength, even in extreme temperatures.
The steam expands the polystyrene beads, forming them into the shape of the mold, essentially making a completed helmet. The plastic piece was heated by the steam too, and it conforms very tightly to the expanded polystyrene (EPS) foam. It not only adheres to the foam, but leaves no gaps, filling every available bit of space with foam.
Understanding the ,SHAPE, and WEIGHT of your ,helmet, can help maximize your enjoyment and safety on two-wheels. ,Helmets, typically fall into three head ,shape, categories - Intermediate, Long Oval and Round.You will know what head ,shape, fits you best when you identify the style that fits snugly without points of increased pressure (hot spots), or areas with no contact between the ,helmet, liner and ...
Outer ,Shell, – The rigid, outer ,shell, is the outermost, colored part ,of the helmet, you view from the outside. Usually consisting of Kevlar, carbon fiber, polycarbonate, molded plastics, or a combination of those materials, its primary function is to protect your head in the event of impact or abrasion and to prevent penetration from outside objects, such as rocks, insects, etc.
5/1/2020, · But the two most common ,shell, materials for folding bike ,helmets, are ABS and polycarbonate. ... Since color, ,shape,, size, and design are key factors in selecting a ,helmet,, the ability to make ABS or polycarbonate take on any form and color makes them ideal materials for a ,helmet,.