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.
Do you sell hard hats in Beijing
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
25/2/2019, · To add, it will also be possible to differentiate the climbing helmets on the basis of the foam that is used: Expanded Polystyrene (EPS): Most of the climbing helmets available incorporate this as the main material for the foam. It has an excellent ability to absorb shock.
1/10/2020, · All helmets meet an industry standard of protection, with greater protection from overhead impact than from the side. Most helmets are usually made of a hard plastic shell, or a thick layer of lightweight foam with a polycarbonate shell.
Today, the most used material in the construction of mountaineering helmets is the expanded polystyrene or high-density polystyrene (EPS). It is the best element that guarantees absorption or isolation and at the same time provides excellent lightness.
2/10/2020, · Many helmets are constructed with an outer shell of ABS, which is plenty durable. But most helmet shells nowadays are being made with polycarbonate plastic because it is even more durable and flexible than ABS and lighter in weight.
absorb lots of energy. The best materials for this are foams - they absorb lots of energy when they are crushed. The main impact absorbing material in a cycling helmet is, therefore, a moulded block of polystyrene foam, usually with a polycarbonatecovering. These
27/4/2018, · Regarding the material used, climbing helmets fall in either of two categories: a lot of foam with a bit of hard shell (or none at all), or a bigger hard shell on top of a little bit of foam. Hard shell helmets have an outer form of ABS plastic that serves as the main structural element.
30/11/2017, · Foam climbing helmets: Foam helmets are made only of impact-absorbing polystyrene or polypropylene foam – they don’t have a strong and smooth shell on the outside. They deform quickly upon impact but on the other hand they are also super lightweight and thus very comfortable to wear. When choosing a climbing helmet, think about what is more important to you – durability or comfort.
In general, foam helmets are best for rock climbing, hardshell best for winter & alpine, whilst hybrids are good all rounders. For foam and hybrid helmets, the more extensive and deeper the foam, the better the protection. Some offer almost as much protection around the rim as on the top of the head.
1/6/2018, · Cyclists and specifically ,safety,-campaign promoters should be, however, aware of the fact that there is a large group of ,cycling, fatalities where a ,helmet, would not have helped. Overall ,cycling safety, cannot therefore be based only on ,cycling helmet, promotion alone. Additional potentially dangerous situations from the view of cyclists should be ...
10/6/2020, · In general, the EPP foam is able to bounce back and recover from small impacts, making it more durable than EPS alternatives, although it also comes with a stuff sack for carrying it in your pack. On the other end is the Black Diamond Vector, whose shell punctured the first time we put it down.