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.
Safety helmet for cooling and heatstroke prevention
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.
Address：No. 3888, Hutai Road, Baoshan District, Shanghai, China
4/11/2004, · ,The outer, surface of the heliosheath, where the heliosphere meets the interstellar medium, ,is called, the heliopause. This is the edge of the entire heliosphere. Observations in 2009 led to changes to this model. In theory, the heliopause causes turbulence …
29/5/2014, · ,Helmet, Besides covering a spacewalker's head, the ,helmet, has a Vent Pad. This pad directs oxygen from the Primary Life Support Subsystem and Hard Upper Torso to the front ,of the helmet,. The ,helmet, keeps the oxygen at the right pressure around the head. The main part ,of the helmet, …
In 2013 a company ,called, 6D introduced a different approach to ,helmet, liners. Their motorcycle ,helmet, has a hard shell, and uses EPS for ,the outer, and inner layers of the liner. Sandwiched between is a layer of plastic/rubber constructs in an air gap. 6D maintains that their design performs better in lower level impacts, and that the airgap layer dissipates angular acceleration as well.
Once a shell design has been approved, a custom-made nickel model is created for that particular ,helmet,. Construction of ,the outer, shell begins with a thin layer of gelcoat. Then a special resin, consisting of several types of glass, carbon, Kevlar and other exotic fibers and weaves, is added to the shell. This all combines to make the hard, glossy ,outer, shell.
Brow pads attached to the front ,of the helmet,'s headband increase comfort for the wearer. Various materials are used for brow pads, including foam-backed vinyl, foam-backed cotton terry cloth, and specialty fibers (e.g., CoolMax or Sportek) designed for sweat absorption in …