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.
I didn't wear a helmet in the morning
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
21/10/2010, · In 1939, the first ,plastic helmet,—stronger, lighter, and more durable than leather—was introduced by the Riddell Company and the leather ,helmet, was obsolete within 10 years. Today’s ,plastic, football ,helmets, are ,made, from molded polycarbonate shells with foam padding (either polyurethane, polystyrene, polypropylene, or ethylene vinyl acetate) inside.
Uses & Benefits. Find information on the wide variety of ,plastics, used in hundreds of household and consumer ,products,. ,Plastics, enable sustainable, durable, long-lasting design and construction in homes, buildings, and infrastructure like bridges.; In automotive design, ,plastics, have contributed to a multitude of innovations in ,safety,, performance and fuel efficiency.
Helmets, are largely ,made, of ,plastics,, but the good news is that most of the ,plastics, used are probably safe. There may be concerns about the ,plastic, in polycarbonate shells, but they are not in contact with your skin while you ride. We think that the benefits of ,helmet, …
US4227520A - ,Safety helmet, for miners - Google Patents. A miner's ,safety helmet, having a lamp mounted on the front thereof comprising inner and outer shells ,made, of tough, hard ,plastic, material having a generally hemispheric shape to conform with the upper part of the wearer's head, the shells being spaced apart, and closed around the rims thereof, to form an enclosed space therebetween, a ...
Polyethylene, is a thermoplastic polymer with a variable crystalline structure and a vast range of applications depending on the particular type. It is one of the most widely ,produced plastics, in the world, with tens of millions of tons ,produced, worldwide each year.
Composites, most metals, and many polymers look good. Another requirement for hard hats is that they should be inexpensive and low weight. Polymers best meet all these needs and are also easy to manufacture. In fact hard hats ,are mainly made, from polycarbonate or ABS and fitted via adjustable ,polyethylene, straps inside the shell.
The global ,safety helmet, market size was valued at USD 1.8 billion in 2019 and is expected to grow at a compound annual growth rate (CAGR) of 5.0% over the forecast period. Rising need for ,safety helmets, primarily in the sector including construction, manufacturing, and mining coupled with surging instances of head injuries at workplaces is expected to augment market growth over the forecast ...
5/1/2020, · Cyclo is a folding ,helmet made, out of recycled high-density ,polyethylene, (HDPE). The ,helmet, uses a honeycomb lattice structure to take the impact, rather than an EPS layer. Since it does not use the brittle EPS, it also does not require a shell, and also can also take multiple impacts without having to …
The ,helmet,’s shell is the rigid outer section of the ,helmet,, and is usually ,made, from ,polyethylene,, ABS (Acrylonitrile Butadiene Styrene – a thermoplastic) or fibreglass hardened with polyester resins The basic function of the shell is to provide protection by reducing the force of a falling object striking or impacting on the users head.