Chat
Online
Inquiry
Home > Three dangers of helmet

Three dangers of helmet

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.

Why Choose Us
Solutions to meet different needs

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.

Highly specialized team and products

Professional team work and production line which can make nice quality in short time..

We trade with an open mind

We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation..

24 / 7 guaranteed service

The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems

Certificate of Honor
Get in touch with usCustomer satisfaction is our first goal!
Email us
— We will confidentially process your data and will not pass it on to a third party.
Three dangers of helmet
Researchers use origami to produce high-tech shock ...
Researchers use origami to produce high-tech shock ...

Researchers have shown how the ancient art of paper-,folding, can soften the shock of an impact, whether it’s cracking into a ,helmet, or touching down on a landing pad.

Forming (metalworking) - Wikipedia
Forming (metalworking) - Wikipedia

Forming, metal forming, is the metalworking process of fashioning metal parts and objects through mechanical deformation; the workpiece is reshaped without adding or removing material, and its mass remains unchanged. Forming operates on the materials science ,principle, of plastic deformation, where the physical shape of a material is permanently deformed.

From helmets to mattresses: How the compression trend will ...
From helmets to mattresses: How the compression trend will ...

The Morpher bicycle ,helmet, is designed to ,fold, in half when not ... the core ,principle, of most e-commerce business models is that it’s cheaper to ship things directly than it is to pay rent ...

Helmet longevity | CycleChat Cycling Forum
Helmet longevity | CycleChat Cycling Forum

26/8/2011, · a drop shouldn't harm the ,helmet, as the polystyrene liner hasn't had to absorb/cushion/deform during the impact as the ,helmet, isn't containing anything ie your head. The outer shell may suffer cosmetic damage I'd doubt this will effect it's serviceability and in an impact burst apart allowing the liner to burst through preventing it from protecting your head.

Electric Scooter Helmet and Protective Gear Scooter ...
Electric Scooter Helmet and Protective Gear Scooter ...

Professional Factory to produce the Electric Scooter, ,Helmet, and Protective pads, and we have professional R&D Team, Sales Team to answer your inquiry with best service! Warmly welcome to visit us when you convinence!

Working Life of Safety Helmets - RSEA
Working Life of Safety Helmets - RSEA

Working ,Life, of ,Safety Helmets,. One of the most common questions asked by tradies requiring personal protective equipment is, what is the working ,life, of a ,helmet,? The answer to this question and indeed all information pertaining to selection, care and use is available in AS/NZS 1800:1998.

How the ancient art of origami is inspiring cutting-edge ...
How the ancient art of origami is inspiring cutting-edge ...

27/6/2016, · The future is always being shaped by the past. Long before the 3D printer, origami was the original genius at creating lifelike forms out of a flat surface. ,Folding, brings with it the ability to ...

FireFighters Helmets - Bullard
FireFighters Helmets - Bullard

This is the ,principle, behind a wool blanket, a down jacket, fiberglass house insulation and the foam or ribs in a ,helmet, shock liner. With foam, each cell that the heat passes through is filled with a relatively large amount of air (nine times the volume of the heat-carrying polymer), which absorbs heat from the cell walls and cools the polymer.

What Is A Motorcycle Helmet’s Lifespan? You Need To Know Now!
What Is A Motorcycle Helmet’s Lifespan? You Need To Know Now!

26/8/2016, · It is going to biodegrade, making the ,helmet, less effective in the case of an accident. Extending The ,Life, Of Your ,Helmet,. Although the Snell Foundation recommended replacing your ,helmet, every 5 years, some manufacturers recommend every 3-5 years. If you cannot afford to replace it every 3 years, here is how you can extend the ,life, of your ,helmet,.

JSP Industrial Helmet – Service Life recommended useful ...
JSP Industrial Helmet – Service Life recommended useful ...

August 2015 . JSP Industrial ,Helmet, – Service ,Life, . As per ANSI Z89.1, these are recommended useful service ,life, guidelines for JSP hard hats.. Service ,Life,- JSP’s experience suggests that a useful service ,life, of 6 months to 2 years is most likely.However , if the ,helmet, is treated with care and kept in suitable conditions, JSP would expect the maximum useful