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.
Work injury without helmet
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
Address：No. 3888, Hutai Road, Baoshan District, Shanghai, China
1/12/2008, · I've riding and racing for 40 yrs and have seen many ,helmets, after crashes.Most tracks do not allow polycarbonate ,helmets, because they tend to shatter on high speed impacts.Fiberglass will crack but hold togeather ,better, after impact.In either case once a ,helmet, makes contact with the pavement it's done and is no longer safe to use.I pefer HLC ,helmets, as the fit and weight is really good.
What it is saying is that the standard for ,motorcycle helmet, visors is made from poly-carbonate - sort of like the material used to make car headlamps, to construct visors from. Poly-carbonate visors are harder in feel, harder to scratch and usually optically ,better, in terms of distortion than acrylic visors.
One of the most popular modular ,helmets, for 2020 is the Speed and ,Strength, SS4100 Solid. The sporty and sleek design is budget-friendly and exceeds DOT ad ECE 22.05 certification recommendations. An ABS shell and protective EPS liner ensure your safety while the anti-fog and anti-scratch face shield features a retractable sun visor that cuts down on glare while you ride.
If you look at it that carbon ,helmets, generally perform ,better, than thermoplastic ,helmets, and carbon ,helmets, generally cost more than thermoplastic ,helmets,, then you could say it’s a ‘yes’. And in fact when you look at the data, almost all carbon ,helmets, produced by the ,better, known brands do perform extremely well (four stars or higher) with just one or two exceptions.
5/11/2018, · This type of shell will be much ,stronger,, much lighter, much more rigid, and alas, more costly. Due to the extra ,strength, and rigidity, fibreglass ,helmets, will withstand a much higher impact speed, although the extra stiffness means it won’t disperse as much energy through shell flexion, leaving more work for the EPS liner.
The modern ,helmet, isn’t quite as tall as the traditional ,helmet, because the material used is ,better, and there’s enough ,strength, in the ,helmet, without the height. You’ll also find that there are some small additions such as earflaps, a cloth head grip, eye shields/visors, etc. but overall, the modern ,helmet, is very similar to the original design.
Helmets, are styled in different ways to adapt to different situations. Some ,helmets, are specifically designed to be used in races. These ,helmets, are ,stronger, than the regular ,helmets,, but their lifetime is way less than the regular ,helmets,. In a similar manner, there are ,helmets, …
For example, the Bell Pro Star race ,helmet,, uses a special flatter, ,stronger, carbon fiber called TeXtreme which partly accounts for it’s higher price. Its sister ,helmet,, the slightly cheaper Bell Race Star uses a 3K carbon fiber weave which is slightly bulkier and has a different …
The clean lines on the ,helmet, also make it a winner as this is rounder, smoother and ,stronger, in shape than previous models – despite this being an entry level Arai. The inside of the ,helmet, is always black, a classic colour, and there are more vents than ever on the III compared to the two previous models, but they are disguised well on the shell when closed.