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.
Workers without safety 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
17/9/2020, · With helmet inverted immerse in solution of 6g/l water, and filled up to 12mm and let it stay for 18-24 hours at room temperature. Subject it to alternating voltage of 2000V (50Hz) slowly immersing conducting rods. Method of Testing Water Absorption Immerse the helmet for 24 hours in water.
In addition to this research activity we have what we call a core model development cycle which takes us from the initial concept of a new helmet shape, along with the ideas of our athletes and engineers to the final approved sample that precedes the final production of our helmets a cycle which usually takes 18 months, depending on the complexity of the project.
All UniSafe ,helmet, shells are made from premium impact resistant ABS plastic or polycarbonate. In compliance with the standards objectives, specifying ,safety helmets, is dependent on hazards involved. AS/NZS 1801:1997 classifies ,safety helmets, into three types: UniSafe Saftey ,helmets,: Type 1- General industrial ,safety helmets,.
Football ,Helmet Testing, January 29, 2018. CTE — a degenerative brain condition that results from repeated impacts to the head — is changing the game of football as we know it. Since doctors first discovered the first instances of damaging plaque when performing autopsies on NFL players, the highly profitable sporting organization has changed rules and poured resources into finding ways to ...
This website is not affiliated with, maintained, authorized, endorsed or sponsored by the International Electrical ,Testing, Association (NETA) or any of its affiliates. The information presented on this website should not be used to replace any kind of classroom or group study led by a certified instructor.
The hemispheric anvil shown below, about the shape of a grapefruit, is used with a 1.2 meter drop. (The point load makes it a severe test.) The helmet and headform are traveling 11 mph at impact. The hazard or curbstone anvil is rounded like the edge of a curb. It is …
What is the shelf life of a helmet and what is the expiry date? - According to the Singapore SS 98 standard for industrial safety helmet specification, there is no manditory expiry date. Instead, representative samples from each batch of hats can be tested every 3 years (from the date of first use) to ensure each batch's compliance with SS 98.