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.
Three dangers of 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
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.
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.
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.
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.
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,.
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