Welcome to the company, we have many years of professional experience!
Chat
Online
Inquiry
Home > Picture cartoon of helmet

Picture cartoon 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

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.
Picture cartoon of helmet
7 Helmet Testing | Testing of Body Armor Materials: Phase ...
7 Helmet Testing | Testing of Body Armor Materials: Phase ...

A new ,head, form, referred to as the Peepsite ,head, form (Figure 7-16) was developed by the U.S. Army Research Laboratory to avoid potential drawbacks of the NIJ ,head, forms. 54 A big shortcoming of the current ,test head, forms is that the clay used to measure the BFD of the ,helmet, upon impact is contained between two solid aluminum parts of the ,head, form (see Figure 7-10).

Testing the Positional Stability of Motorcycle Helmets ...
Testing the Positional Stability of Motorcycle Helmets ...

M95 motorcycle ,helmet, standard. The ,test, procedure involves placing the ,helmet, on the ,test, headform, which is supported at 45 degrees inclination from the vertical. A hook and strap are attached to the post­ erior rim of the ,helmet, so that a forward roll off force can be applied ,there,. A guide rod is attached to the

Football Helmet Testing | Technology and Safety Research | NTS
Football Helmet Testing | Technology and Safety Research | NTS

Because player ,head, sizes may change, these headforms increase in mass and shape to accommodate the largest ,helmet, sizes proportionally. ,There, are two distinct methods of testing football ,helmets,. Drop Tower ,Test,. The drop tower ,test, is the industry standard for ,helmet, testing. In this ,test,, a twin-wire impactor simulates ,helmet,-to-,helmet, impact.

Is there a difference between cheap helmets and expensive ...
Is there a difference between cheap helmets and expensive ...

30/11/2010, · BHSI submitted samples of six ,helmet, models to a leading U.S. test lab: three in the $150+ range and three under $20. The impact test results were virtually identical. ,There, were very few ,differences, in performance among the ,helmets,. Our conclusion: when you pay more for a ,helmet, you may get an easier fit, more vents and snazzier graphics.

Best Motorcycle Helmet 2020 Reviews & Buyer's Guide
Best Motorcycle Helmet 2020 Reviews & Buyer's Guide

Several helmets, have removable lining and pads that can be inserted in the ,helmet, for better comfort. Weight The weight of the ,helmet, is an essential factor while choosing the right ,helmet,. If you select a heavy ,helmet,, your ,head, will get tired of it after some time, and you will not be capable to wear that for long races or extended adventures.

Bicycle Helmet Skid Tests by Voigt Hodgson
Bicycle Helmet Skid Tests by Voigt Hodgson

The skid tests, utilizing a ,head,-neck instrumented Hybrid III Dummy, concrete slab tilted at ,several, degrees to the dummy ,head, path, high speed cinephotography, and conducted at 6 mph (9.7 km/hr), revealed that ,there, was a significant difference in effect on the ,head, and neck injury potential between the hard and no-shell ,helmets, for 30 and 45 degree angles, but at 60 and 90 degrees ,there, was ...

The Safety Helmet - pedrosgarage.com
The Safety Helmet - pedrosgarage.com

This level of impact is hard to conceptualize -- a ,head,-on impact at 30 mph into a concrete wall is measured at 80 Gs. Most impacts on a race track are between 50 and 100 Gs. A 100-G impact for a 160-pound man would feel like 16,000 pounds pressing on top of him. ,There are several types, of motorsport ,safety helmets, available on the market:

Motorbike Helmet Crash Testing in ... - Free Mock Theory Test
Motorbike Helmet Crash Testing in ... - Free Mock Theory Test

To date, 50 ,helmets, have a 5-star rating and they range in price from £60 to 799. ,Helmet, rating reports show the protection at different points of the ,head,, plus the whether ,there, are any serious defects. For example in this one-star ,test,, the face guard was non-protective and only remained fully locked in 43% of impacts. Alternative testing ...

Helmet guidelines | Driver Knowledge Test
Helmet guidelines | Driver Knowledge Test

There are several types, of ,helmet, including full face (covers the whole ,head, and face), modular (covers the whole ,head, and face but has a flip up front), motocross (covers the ,head, and chin and is designed to be used with goggles), open face (leaves the facial area open, thus providing no protection for the chin area) and half ,helmets, which provide the least protection as they don't cover the ...

Types of Safety Helmets an Industrial Guide - Health and ...
Types of Safety Helmets an Industrial Guide - Health and ...

In contrast, ,there, is a long-standing issue with people not wearing the chin strap on industrial ,safety helmets,. In recent years, manufacturers have moved away from the combination of an adjustable ratchet band and chin strap combination and replaced this with a more user-friendly ratchet wheel.

Birth and Evolution of the Football Helmet | Neurosurgery ...
Birth and Evolution of the Football Helmet | Neurosurgery ...

The Standard Method of Impact ,Test, and Performance Requirements for Football ,Helmets, published in 1973 required the use of a ,head, model that closely simulates the response of the human ,head, to impact. Standards are based on the ,helmet, falling in a guided free fall. In each case, the ,helmet, is positioned on a ,head, …

Helmet Safety: Keep a Lid On It | Rush System
Helmet Safety: Keep a Lid On It | Rush System

There, are, in fact, different ,helmets, for different activities, and each type of ,helmet, is designed to protect your ,head, from the impact common to a particular activity or sport. You should always wear a ,helmet, that is appropriate for the activity you’re involved in because other ,types, of ,helmets, …

frugal - What's the real difference between cheap and ...
frugal - What's the real difference between cheap and ...

While the best ,helmet, was a relatively cheap one (if you don't consider the airbag ,helmet,), ,there, was a large ,difference between, the amount of protection they each offered. Here is a link to the test, but unfortunately it is in Swedish. Google translate was not to keen to parse the link either.

Is there a difference between baseball and softball helmets
Is there a difference between baseball and softball helmets

Shoei ,helmets, are top class motorcycle ,helmets, sold all over the world.The prices can range ,between, å£290 and å£525 in the UK dependent on vendor and style of ,helmet,.

PPE - Hard Hat Information | Environmental Health and Safety
PPE - Hard Hat Information | Environmental Health and Safety

Purpose Hard hats are required when working in areas where ,there, is a potential for injury to the ,head, from falling objects. In addition, hard hats designed to reduce electrical shock are required when working near exposed electrical conductors that may contact the ,head,. Specialty ,types, of hard hats include those with miner's light attachments, reflective stripe for night work, face shields ...

Snell helmets certification - Standards
Snell helmets certification - Standards

Snell Foundation started its mission in 1957 in memory of Pete Snell whose racing ,helmet, failed to protect him. Effective October 1, 2020, the new SA2020 Snell auto racing ,helmet, standard offers improved head protection for today's racers. For best protection, use your head and wear a Snell certified ,helmet,.

Respirator Fact Sheet What You Should Know | NPPTL ...
Respirator Fact Sheet What You Should Know | NPPTL ...

There are several, escape respirators on the market. Many of them use a hood with a neck seal instead of a facepiece. They are typically designed for one-time use for …

Helmet safety - SlideShare
Helmet safety - SlideShare

USE ,HELMET Helmets, are effective in reducing the likely hood ,of Head, Injury as well as their severity. 9. U.S. Data With ,helmet, Without ,helmet, Hospital Stay (in days) 5.8 11.8 Fatality 1.2 / 1000 6.2/1000 Medical Cost 49% less Disability 27% less Taiwan Data After making ,helmet, compulsory • 33% decrease in ,Head, Injury. • 56% decrease in fatalities.